03-Mar-2026 18:11:03: starting attempt #0 03-Mar-2026 18:21:11: attempt failed: "KASAN: stack-out-of-bounds Read in xor_gen_sse_pf64" 03-Mar-2026 18:21:11: starting attempt #1 03-Mar-2026 18:31:18: attempt failed: "KASAN: stack-out-of-bounds Read in xor_gen_sse_pf64" 03-Mar-2026 18:31:18: starting attempt #2 03-Mar-2026 18:41:26: attempt failed: "KASAN: stack-out-of-bounds Read in xor_gen_sse_pf64" 03-Mar-2026 18:41:26: report: CPU feature 'AVX registers' is not supported. CPU feature 'AVX registers' is not supported. sm3_avx_x86_64: AVX instruction are not detected. AVX or AES-NI instructions are not detected. AVX2 or AES-NI instructions are not detected. AVX or AES-NI instructions are not detected. Initialise system trusted keyrings workingset: timestamp_bits=40 (anon: 36) max_order=21 bucket_order=0 (anon: 0) DLM installed squashfs: version 4.0 (2009/01/31) Phillip Lougher NFS: Registering the id_resolver key type Key type id_resolver registered Key type id_legacy registered nfs4filelayout_init: NFSv4 File Layout Driver Registering... nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... Key type cifs.spnego registered Key type cifs.idmap registered ntfs3: Enabled Linux POSIX ACLs support ntfs3: Read-only LZX/Xpress compression included efs: 1.0a - http://aeschi.ch.eu.org/efs/ jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. romfs: ROMFS MTD (C) 2007 Red Hat, Inc. QNX4 filesystem 0.2.3 registered. qnx6: QNX6 filesystem 1.0.0 registered. fuse: init (API version 7.45) orangefs_debugfs_init: called with debug mask: :none: :0: orangefs_init: module version upstream loaded JFS: nTxBlock = 8192, nTxLock = 65536 SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled 9p: Installing v9fs 9p2000 file system support NILFS version 2 loaded befs: version: 0.9.3 ocfs2: Registered cluster interface o2cb ocfs2: Registered cluster interface user OCFS2 User DLM kernel interface loaded gfs2: GFS2 installed ceph: loaded (mds proto 32) cryptd: max_cpu_qlen set to 1000 NET: Registered PF_ALG protocol family async_tx: api initialized (async) Key type asymmetric registered Asymmetric key parser 'x509' registered Asymmetric key parser 'pkcs8' registered Key type pkcs7_test registered Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) io scheduler mq-deadline registered io scheduler kyber registered io scheduler bfq registered xor: measuring software checksum speed ================================================================== BUG: KASAN: stack-out-of-bounds in xor_gen_sse_pf64+0xae/0xaa0 Read of size 8 at addr ffffc900000678c8 by task swapper/0/1 CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Call Trace: dump_stack_lvl+0xe8/0x150 print_report+0xba/0x230 kasan_report+0x117/0x150 xor_gen_sse_pf64+0xae/0xaa0 do_xor_speed+0xf8/0x200 calibrate_xor_blocks+0x11b/0x1c0 do_one_initcall+0x250/0x8d0 do_initcall_level+0x104/0x190 do_initcalls+0x59/0xa0 kernel_init_freeable+0x2a6/0x3e0 kernel_init+0x1d/0x1d0 ret_from_fork+0x51e/0xb90 ret_from_fork_asm+0x1a/0x30 The buggy address belongs to stack of task swapper/0/1 and is located at offset 40 in frame: do_xor_speed+0x0/0x200 This frame has 1 object: [32, 40) 'srcs' The buggy address belongs to a 8-page vmalloc region starting at 0xffffc90000060000 allocated at copy_process+0x508/0x3cf0 The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026f7 flags: 0x17ff00000000000(node=0|zone=2|lastcpupid=0x7ff) raw: 017ff00000000000 ffffea000409bdc8 ffffea000409bdc8 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 0x2102(__GFP_HIGHMEM|__GFP_ZERO|__GFP_NOWARN), pid 0, tgid 0 (swapper/0), ts 2341196832, free_ts 0 post_alloc_hook+0x231/0x280 get_page_from_freelist+0x23a1/0x2440 __alloc_frozen_pages_noprof+0x18d/0x380 alloc_pages_mpol+0x232/0x4a0 alloc_pages_noprof+0xa8/0x190 __vmalloc_node_range_noprof+0x7f6/0x1a80 __vmalloc_node_noprof+0xc2/0x100 dup_task_struct+0x228/0x9e0 copy_process+0x508/0x3cf0 kernel_clone+0x248/0x8e0 user_mode_thread+0x110/0x180 rest_init+0x23/0x300 start_kernel+0x38a/0x3e0 x86_64_start_reservations+0x24/0x30 x86_64_start_kernel+0x143/0x1c0 common_startup_64+0x13e/0x147 page_owner free stack trace missing Memory state around the buggy address: ffffc90000067780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffc90000067800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffffc90000067880: 00 00 00 00 f1 f1 f1 f1 00 f3 f3 f3 00 00 00 00 ^ ffffc90000067900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffc90000067980: 00 00 00 00 f1 f1 f1 f1 f8 f8 f8 f8 f8 f8 f8 f8 ================================================================== 03-Mar-2026 18:41:26: output: failed to run ["ssh" "-p" "36232" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@localhost" "pwd"]: exit status 255[ 0.000000][ T0] Linux version syzkaller (syzkaller@syzkaller) (Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8) #0 SMP PREEMPT_DYNAMIC now [ 0.000000][ T0] Command line: root=/dev/sda console=ttyS0 root=/dev/sda1 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] x86/CPU: Model not found in latest microcode list [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] System RAM [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000000a0000-0x00000000000effff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] device reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x000000007ffdefff] System RAM [ 0.000000][ T0] BIOS-e820: [mem 0x000000007ffdf000-0x000000007fffffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x0000000080000000-0x00000000afffffff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000b0000000-0x00000000bfffffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000c0000000-0x00000000fed1bfff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000fed20000-0x00000000feffbfff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] device reserved [ 0.000000][ T0] BIOS-e820: [gap 0x00000000ff000000-0x00000000fffbffff] [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] device reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] System RAM [ 0.000000][ T0] printk: legacy bootconsole [earlyser0] enabled [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] Hash pointers mode set to never. [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] APIC: Static calls initialized [ 0.000000][ T0] SMBIOS 2.8 present. [ 0.000000][ T0] DMI: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 0.000000][ T0] DMI: Memory slots populated: 1/1 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] last_pfn = 0x7ffdf max_arch_pfn = 0x400000000 [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000005][ T0] kvm-clock: using sched offset of 1920556720 cycles [ 0.004098][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.016641][ T0] tsc: Detected 2799.998 MHz processor [ 0.026178][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.031249][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs [ 0.038750][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.045117][ T0] last_pfn = 0x7ffdf max_arch_pfn = 0x400000000 [ 0.055634][ T0] found SMP MP-table at [mem 0x000f5b80-0x000f5b8f] [ 0.064643][ T0] ACPI: Early table checksum verification disabled [ 0.070276][ T0] ACPI: RSDP 0x00000000000F5960 000014 (v00 BOCHS ) [ 0.075866][ T0] ACPI: RSDT 0x000000007FFE234D 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.083151][ T0] ACPI: FACP 0x000000007FFE213D 0000F4 (v03 BOCHS BXPC 00000001 BXPC 00000001) [ 0.090669][ T0] ACPI: DSDT 0x000000007FFE0040 0020FD (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.098580][ T0] ACPI: FACS 0x000000007FFE0000 000040 [ 0.102906][ T0] ACPI: APIC 0x000000007FFE2231 000080 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.110065][ T0] ACPI: HPET 0x000000007FFE22B1 000038 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.116908][ T0] ACPI: MCFG 0x000000007FFE22E9 00003C (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.123820][ T0] ACPI: WAET 0x000000007FFE2325 000028 (v01 BOCHS BXPC 00000001 BXPC 00000001) [ 0.130232][ T0] ACPI: Reserving FACP table memory at [mem 0x7ffe213d-0x7ffe2230] [ 0.135749][ T0] ACPI: Reserving DSDT table memory at [mem 0x7ffe0040-0x7ffe213c] [ 0.141080][ T0] ACPI: Reserving FACS table memory at [mem 0x7ffe0000-0x7ffe003f] [ 0.146713][ T0] ACPI: Reserving APIC table memory at [mem 0x7ffe2231-0x7ffe22b0] [ 0.152813][ T0] ACPI: Reserving HPET table memory at [mem 0x7ffe22b1-0x7ffe22e8] [ 0.158749][ T0] ACPI: Reserving MCFG table memory at [mem 0x7ffe22e9-0x7ffe2324] [ 0.165082][ T0] ACPI: Reserving WAET table memory at [mem 0x7ffe2325-0x7ffe234c] [ 0.172647][ T0] No NUMA configuration found [ 0.175881][ T0] Faking a node at [mem 0x0000000000000000-0x000000023fffffff] [ 0.181893][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000160000fff] (5632MB) [ 0.188862][ T0] Faking node 1 at [mem 0x0000000160001000-0x000000023fffffff] (3583MB) [ 0.195066][ T0] NODE_DATA(0) allocated [mem 0x15fffb380-0x160000fff] [ 0.200383][ T0] NODE_DATA(1) allocated [mem 0x23fff7380-0x23fffcfff] [ 0.424345][ T0] KernelAddressSanitizer initialized (generic) [ 0.432262][ T0] ACPI: PM-Timer IO Port: 0x608 [ 0.436274][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.441045][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.446316][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.451113][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.456723][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.461950][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.467128][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.472361][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.477424][ T0] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.481514][ T0] CPU topo: Max. logical packages: 2 [ 0.485631][ T0] CPU topo: Max. logical dies: 2 [ 0.490122][ T0] CPU topo: Max. dies per package: 1 [ 0.494117][ T0] CPU topo: Max. threads per core: 1 [ 0.497711][ T0] CPU topo: Num. cores per package: 1 [ 0.501926][ T0] CPU topo: Num. threads per package: 1 [ 0.505979][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs [ 0.511180][ T0] kvm-guest: APIC: eoi() replaced with kvm_guest_apic_eoi_write() [ 0.517734][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.524614][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.531188][ T0] PM: hibernation: Registered nosave memory: [mem 0x7ffdf000-0xffffffff] [ 0.538285][ T0] [gap 0xc0000000-0xfed1bfff] available for PCI devices [ 0.543617][ T0] Booting paravirtualized kernel on KVM [ 0.548019][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.651548][ T0] Section 41 and 43 (node 0) have a circular dependency on usemap and pgdat allocations [ 0.672684][ T0] Zone ranges: [ 0.675555][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.680544][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.685860][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.690763][ T0] Device empty [ 0.693213][ T0] Movable zone start for each node [ 0.696552][ T0] Early memory node ranges [ 0.699646][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.704375][ T0] node 0: [mem 0x0000000000100000-0x000000007ffdefff] [ 0.709085][ T0] node 0: [mem 0x0000000100000000-0x0000000160000fff] [ 0.713798][ T0] node 1: [mem 0x0000000160001000-0x000000023fffffff] [ 0.718546][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000160000fff] [ 0.723783][ T0] Initmem setup node 1 [mem 0x0000000160001000-0x000000023fffffff] [ 0.729072][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.733608][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.780125][ T0] On node 0, zone Normal: 33 pages in unavailable ranges [ 0.826675][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2 [ 0.834384][ T0] percpu: Embedded 71 pages/cpu s250248 r8192 d32376 u2097152 [ 0.840742][ T0] kvm-guest: PV spinlocks disabled, no host support [ 0.845189][ 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 rcupdate.rcu_cpu_stall_cputime=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 coredump_filter=0xffff root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid vivid.n_devs=64 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=32 rose.rose_ndevs=32 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 dummy_hcd.num=32 max_loop=32 nbds_max=32 \ [ 0.909400][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 root=/dev/sda console=ttyS0 root=/dev/sda1 [ 0.921927][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space. [ 0.928502][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes [ 0.934336][ T0] software IO TLB: area num 2. [ 0.959853][ T0] Fallback order for Node 0: 0 1 [ 0.959871][ T0] Fallback order for Node 1: 1 0 [ 0.959882][ T0] Built 2 zonelists, mobility grouping on. Total pages: 1834877 [ 0.969751][ T0] Policy zone: Normal [ 0.972408][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off [ 0.976553][ T0] stackdepot: allocating hash table via alloc_large_system_hash [ 0.981083][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear) [ 0.989855][ T0] stackdepot: allocating space for 8192 stack pools via memblock [ 1.462493][ T0] ********************************************************** [ 1.467343][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.472156][ T0] ** ** [ 1.477074][ T0] ** This system shows unhashed kernel memory addresses ** [ 1.481833][ T0] ** via the console, logs, and other interfaces. This ** [ 1.486721][ T0] ** might reduce the security of your system. ** [ 1.491612][ T0] ** ** [ 1.496523][ T0] ** If you see this message and you are not debugging ** [ 1.501398][ T0] ** the kernel, report this immediately to your system ** [ 1.506333][ T0] ** administrator! ** [ 1.511240][ T0] ** ** [ 1.516180][ T0] ** Use hash_pointers=always to force this mode off ** [ 1.521074][ T0] ** ** [ 1.525986][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 1.530898][ T0] ********************************************************** [ 1.539370][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.650559][ T0] allocated 146800640 bytes of page_ext [ 1.654418][ T0] Node 0, zone DMA: page owner found early allocated 0 pages [ 1.662253][ T0] Node 0, zone DMA32: page owner found early allocated 0 pages [ 1.685704][ T0] Node 0, zone Normal: page owner found early allocated 18691 pages [ 1.704166][ T0] Node 1, zone Normal: page owner found early allocated 17287 pages [ 1.710357][ T0] Kernel/User page tables isolation: enabled [ 1.715995][ T0] Dynamic Preempt: full [ 1.719627][ T0] Running RCU self tests [ 1.722291][ T0] Running RCU synchronous self tests [ 1.725658][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.729844][ T0] rcu: RCU lockdep checking is enabled. [ 1.733454][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.738186][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.742921][ T0] rcu: RCU debug extended QS entry/exit. [ 1.746534][ T0] All grace periods are expedited (rcu_expedited). [ 1.750699][ T0] Trampoline variant of Tasks RCU enabled. [ 1.754412][ T0] Tracing variant of Tasks RCU enabled. [ 1.757939][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.763345][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.768391][ T0] Running RCU synchronous self tests [ 1.771777][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. [ 1.868923][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.874095][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.880005][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823c400000-0xffff88823c600000 [ 1.928672][ T0] Console: colour VGA+ 80x25 [ 1.931966][ T0] printk: legacy console [ttyS0] enabled [ 1.931966][ T0] printk: legacy console [ttyS0] enabled [ 1.939293][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.939293][ T0] printk: legacy bootconsole [earlyser0] disabled [ 1.947771][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.953516][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.956951][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.960322][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.963834][ T0] ... CLASSHASH_SIZE: 4096 [ 1.967233][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576 [ 1.970699][ T0] ... MAX_LOCKDEP_CHAINS: 1048576 [ 1.974327][ T0] ... CHAINHASH_SIZE: 524288 [ 1.977848][ T0] memory used by lock dependency info: 106625 kB [ 1.981859][ T0] memory used for stack traces: 8320 kB [ 1.985601][ T0] per task-struct memory footprint: 1920 bytes [ 1.989953][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.997879][ T0] ACPI: Core revision 20251212 [ 2.002255][ T0] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 2.009402][ T0] APIC: Switch to symmetric I/O mode setup [ 2.014869][ T0] x2apic enabled [ 2.018972][ T0] APIC: Switched APIC routing to: physical x2apic [ 2.030386][ T0] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 2.035094][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x285c3ee517e, max_idle_ns: 440795257231 ns [ 2.042641][ T0] Calibrating delay loop (skipped) preset value.. 5599.99 BogoMIPS (lpj=27999980) [ 2.054265][ T0] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 2.058326][ T0] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 2.062670][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto [ 2.070451][ T0] Speculative Store Bypass: Vulnerable [ 2.072646][ T0] Spectre V2 : Mitigation: Retpolines [ 2.076120][ T0] ITS: Mitigation: Aligned branch/return thunks [ 2.079796][ T0] MDS: Vulnerable: Clear CPU buffers attempted, no microcode [ 2.082646][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 2.087713][ T0] Spectre V2 : Spectre v2 / SpectreRSB: Filling RSB on context switch and VMEXIT [ 2.092669][ T0] active return thunk: its_return_thunk [ 2.095609][ T0] x86/fpu: x87 FPU will use FXSAVE [ 2.280505][ T0] Freeing SMP alternatives memory: 136K [ 2.282660][ T0] pid_max: default: 32768 minimum: 301 [ 2.286393][ T0] landlock: Up and running. [ 2.288740][ T0] Yama: becoming mindful. [ 2.291175][ T0] TOMOYO Linux initialized [ 2.293311][ T0] AppArmor: AppArmor initialized [ 2.296915][ T0] LSM support for eBPF active [ 2.306077][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 2.313031][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 2.318279][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.322785][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 2.329572][ T0] VFS: Finished mounting rootfs on nullfs [ 2.335312][ T0] Running RCU synchronous self tests [ 2.338274][ T0] Running RCU synchronous self tests [ 2.463090][ T1] smpboot: CPU0: Intel QEMU Virtual CPU version 2.5+ (family: 0xf, model: 0x6b, stepping: 0x1) [ 2.473178][ T1] Performance Events: unsupported Netburst CPU model 107 no PMU driver, software events only. [ 2.478949][ T1] signal: max sigframe size: 1440 [ 2.482535][ T1] rcu: Hierarchical SRCU implementation. [ 2.482642][ T1] rcu: Max phase no-delay instances is 1000. [ 2.486558][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level [ 2.560939][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 2.563889][ T1] smp: Bringing up secondary CPUs ... [ 2.574361][ T1] smpboot: x86: Booting SMP configuration: [ 2.578385][ T1] .... node #1, CPUs: #1 [ 2.593149][ T1] smp: Brought up 2 nodes, 2 CPUs [ 2.595971][ T1] smpboot: Total of 2 processors activated (11199.99 BogoMIPS) [ 2.604152][ T1] Memory: 5579432K/7339508K available (175351K kernel code, 29968K rwdata, 40576K rodata, 26684K init, 127164K bss, 1595912K reserved, 0K cma-reserved) [ 2.622653][ T1] devtmpfs: initialized [ 2.625430][ T1] x86/mm: Memory block size: 128MB [ 2.664717][ T1] Running RCU synchronous self tests [ 2.667591][ T1] Running RCU synchronous self tests [ 2.672833][ T1] Running RCU Tasks wait API self tests [ 2.675675][ T1] Running RCU Tasks Trace wait API self tests [ 2.676171][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.682978][ T1] posixtimers hash table entries: 1024 (order: 5, 73728 bytes, vmalloc) [ 2.687622][ T1] futex hash table entries: 256 (32768 bytes on 2 NUMA nodes, total 64 KiB, linear). [ 2.702651][ T1] PM: RTC time: 18:31:25, date: 2026-03-03 [ 2.713418][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.718192][ T1] audit: initializing netlink subsys (disabled) [ 2.722729][ T10] Callback from call_rcu_tasks_trace() invoked. [ 2.735421][ T33] audit: type=2000 audit(1772562685.575:1): state=initialized audit_enabled=0 res=1 [ 2.738529][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.742671][ T1] cpuidle: using governor menu [ 2.746503][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.754742][ T1] dca service started, version 1.12.1 [ 2.758497][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] (base 0xb0000000) for domain 0000 [bus 00-ff] [ 2.762672][ T1] PCI: ECAM [mem 0xb0000000-0xbfffffff] reserved as E820 entry [ 2.843154][ T1] PCI: Using configuration type 1 for base access [ 2.873125][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages [ 2.878083][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page [ 2.906860][ T30] Callback from call_rcu_tasks() invoked. [ 2.906938][ T1] raid6: skipped pq benchmark and selected sse2x4 [ 2.912693][ T1] raid6: using intx1 recovery algorithm [ 2.919070][ T1] ACPI: Added _OSI(Module Device) [ 2.922653][ T1] ACPI: Added _OSI(Processor Device) [ 2.926305][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 3.078976][ T1] ACPI: 1 ACPI AML tables successfully acquired and loaded [ 3.119356][ T1] ACPI: \_SB_: platform _OSC: OS support mask [000e7eee] [ 3.135907][ T1] ACPI: Interpreter enabled [ 3.139593][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 3.142688][ T1] ACPI: Using IOAPIC for interrupt routing [ 3.147788][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 3.152659][ T1] PCI: Using E820 reservations for host bridge windows [ 3.165396][ T1] ACPI: Enabled 2 GPEs in block 00 to 3F [ 3.329459][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 3.332750][ T1] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI HPX-Type3] [ 3.346932][ T1] acpi PNP0A08:00: _OSC: platform does not support [PCIeHotplug LTR] [ 3.362218][ T1] acpi PNP0A08:00: _OSC: OS now controls [PME AER PCIeCapability] [ 3.365443][ T1] PCI host bridge to bus 0000:00 [ 3.372669][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 3.378337][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 3.382669][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 3.387759][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 3.392697][ T1] pci_bus 0000:00: root bus resource [mem 0x80000000-0xafffffff window] [ 3.398318][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 3.402677][ T1] pci_bus 0000:00: root bus resource [mem 0x240000000-0xa3fffffff window] [ 3.413275][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 3.418149][ T1] pci 0000:00:00.0: [8086:29c0] type 00 class 0x060000 conventional PCI endpoint [ 3.432839][ T1] pci 0000:00:01.0: [1234:1111] type 00 class 0x030000 conventional PCI endpoint [ 3.445161][ T1] pci 0000:00:01.0: BAR 0 [mem 0xfd000000-0xfdffffff pref] [ 3.450348][ T1] pci 0000:00:01.0: BAR 2 [mem 0xfebf0000-0xfebf0fff] [ 3.452923][ T1] pci 0000:00:01.0: ROM [mem 0xfebe0000-0xfebeffff pref] [ 3.458990][ T1] pci 0000:00:01.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 3.475477][ T1] pci 0000:00:02.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint [ 3.484762][ T1] pci 0000:00:02.0: BAR 0 [io 0xc080-0xc09f] [ 3.489013][ T1] pci 0000:00:02.0: BAR 1 [mem 0xfebf1000-0xfebf1fff] [ 3.492876][ T1] pci 0000:00:02.0: BAR 4 [mem 0xfe000000-0xfe003fff 64bit pref] [ 3.508354][ T1] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000 conventional PCI endpoint [ 3.516074][ T1] pci 0000:00:03.0: BAR 0 [mem 0xfebc0000-0xfebdffff] [ 3.519744][ T1] pci 0000:00:03.0: BAR 1 [io 0xc000-0xc03f] [ 3.523242][ T1] pci 0000:00:03.0: ROM [mem 0xfeb80000-0xfebbffff pref] [ 3.535173][ T1] pci 0000:00:1f.0: [8086:2918] type 00 class 0x060100 conventional PCI endpoint [ 3.542167][ T1] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by ICH6 ACPI/GPIO/TCO [ 3.546847][ T1] pci 0000:00:1f.2: [8086:2922] type 00 class 0x010601 conventional PCI endpoint [ 3.555343][ T1] pci 0000:00:1f.2: BAR 4 [io 0xc0a0-0xc0bf] [ 3.562713][ T1] pci 0000:00:1f.2: BAR 5 [mem 0xfebf2000-0xfebf2fff] [ 3.573282][ T1] pci 0000:00:1f.3: [8086:2930] type 00 class 0x0c0500 conventional PCI endpoint [ 3.582379][ T1] pci 0000:00:1f.3: BAR 4 [io 0x0700-0x073f] [ 3.612857][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 3.623054][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 3.633733][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 3.643955][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 3.654027][ T1] ACPI: PCI: Interrupt link LNKE configured for IRQ 10 [ 3.663955][ T1] ACPI: PCI: Interrupt link LNKF configured for IRQ 10 [ 3.674058][ T1] ACPI: PCI: Interrupt link LNKG configured for IRQ 11 [ 3.684073][ T1] ACPI: PCI: Interrupt link LNKH configured for IRQ 11 [ 3.690073][ T1] ACPI: PCI: Interrupt link GSIA configured for IRQ 16 [ 3.693493][ T1] ACPI: PCI: Interrupt link GSIB configured for IRQ 17 [ 3.698941][ T1] ACPI: PCI: Interrupt link GSIC configured for IRQ 18 [ 3.703328][ T1] ACPI: PCI: Interrupt link GSID configured for IRQ 19 [ 3.708678][ T1] ACPI: PCI: Interrupt link GSIE configured for IRQ 20 [ 3.713402][ T1] ACPI: PCI: Interrupt link GSIF configured for IRQ 21 [ 3.718734][ T1] ACPI: PCI: Interrupt link GSIG configured for IRQ 22 [ 3.723357][ T1] ACPI: PCI: Interrupt link GSIH configured for IRQ 23 [ 3.752725][ T1] iommu: Default domain type: Translated [ 3.756621][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 3.768005][ T1] SCSI subsystem initialized [ 3.774344][ T1] ACPI: bus type USB registered [ 3.778605][ T1] usbcore: registered new interface driver usbfs [ 3.783015][ T1] usbcore: registered new interface driver hub [ 3.787299][ T1] usbcore: registered new device driver usb [ 3.793936][ T1] mc: Linux media interface: v0.10 [ 3.797640][ T1] videodev: Linux video capture interface: v2.00 [ 3.802936][ T1] pps_core: LinuxPPS API ver. 1 registered [ 3.806982][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.812857][ T1] PTP clock support registered [ 3.823613][ T1] EDAC MC: Ver: 3.0.0 [ 3.838795][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 3.849921][ T1] Bluetooth: Core ver 2.22 [ 3.853620][ T1] NET: Registered PF_BLUETOOTH protocol family [ 3.857873][ T1] Bluetooth: HCI device and connection manager initialized [ 3.862729][ T1] Bluetooth: HCI socket layer initialized [ 3.866562][ T1] Bluetooth: L2CAP socket layer initialized [ 3.870607][ T1] Bluetooth: SCO socket layer initialized [ 3.872745][ T1] NET: Registered PF_ATMPVC protocol family [ 3.876630][ T1] NET: Registered PF_ATMSVC protocol family [ 3.883114][ T1] NetLabel: Initializing [ 3.885932][ T1] NetLabel: domain hash size = 128 [ 3.889450][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 3.894804][ T1] NetLabel: unlabeled traffic allowed by default [ 3.903694][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 3.907675][ T1] NET: Registered PF_NFC protocol family [ 3.911607][ T1] mctp: management component transport protocol core [ 3.912773][ T1] NET: Registered PF_MCTP protocol family [ 3.917088][ T1] PCI: Using ACPI for IRQ routing [ 4.280675][ T1] e820: register RAM buffer resource [mem 0x0009fc00-0x0009ffff] [ 4.283105][ T1] e820: register RAM buffer resource [mem 0x7ffdf000-0x7fffffff] [ 4.288029][ T1] pci 0000:00:01.0: vgaarb: setting as boot VGA device [ 4.288029][ T1] pci 0000:00:01.0: vgaarb: bridge control possible [ 4.290731][ T1] pci 0000:00:01.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 4.292662][ T1] vgaarb: loaded [ 4.299044][ T1] hpet: 3 channels of 0 reserved for per-cpu timers [ 4.302692][ T1] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 4.305970][ T1] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 4.316451][ T1] clocksource: Switched to clocksource kvm-clock [ 4.322714][ T1] VFS: Disk quotas dquot_6.6.0 [ 4.326022][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 4.344600][ T1] netfs: FS-Cache loaded [ 4.348329][ T1] CacheFiles: Loaded [ 4.351336][ T1] TOMOYO: 2.6.0 [ 4.353114][ T1] Mandatory Access Control activated. [ 4.359405][ T1] AppArmor: AppArmor Filesystem Enabled [ 4.363151][ T1] acpi PNP0C01:00: Reserved [mem 0xb0000000-0xbfffffff] [ 4.367651][ T1] pnp: PnP ACPI init [ 4.383256][ T1] pnp: PnP ACPI: found 4 devices [ 4.464304][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 4.472551][ T1] NET: Registered PF_INET protocol family [ 4.478371][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 4.498526][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 7, 294912 bytes, vmalloc) [ 4.506265][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc) [ 4.512682][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 4.526735][ T1] TCP bind hash table entries: 65536 (order: 12, 9437184 bytes, vmalloc hugepage) [ 4.537132][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 4.544011][ T1] MPTCP token hash table entries: 8192 (order: 8, 720896 bytes, vmalloc) [ 4.550976][ T1] UDP hash table entries: 4096 (order: 8, 1048576 bytes, vmalloc) [ 4.557929][ T1] UDP-Lite hash table entries: 4096 (order: 8, 1048576 bytes, vmalloc) [ 4.564776][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 4.583590][ T1] RPC: Registered named UNIX socket transport module. [ 4.588169][ T1] RPC: Registered udp transport module. [ 4.591840][ T1] RPC: Registered tcp transport module. [ 4.595635][ T1] RPC: Registered tcp-with-tls transport module. [ 4.599928][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 4.618119][ T1] NET: Registered PF_XDP protocol family [ 4.622335][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 4.626924][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 4.631566][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 4.636762][ T1] pci_bus 0000:00: resource 7 [mem 0x80000000-0xafffffff window] [ 4.641959][ T1] pci_bus 0000:00: resource 8 [mem 0xc0000000-0xfebfffff window] [ 4.647216][ T1] pci_bus 0000:00: resource 9 [mem 0x240000000-0xa3fffffff window] [ 4.653277][ T1] PCI: CLS 0 bytes, default 64 [ 4.662636][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 4.667626][ T1] software IO TLB: mapped [mem 0x000000007bfdf000-0x000000007ffdf000] (64MB) [ 4.673837][ T1] ACPI: bus type thunderbolt registered [ 4.681497][ T66] kworker/u9:1 (66) used greatest stack depth: 27808 bytes left [ 4.684130][ T1] kvm_intel: VMX not supported by CPU 0 [ 4.686555][ T65] kworker/u9:1 (65) used greatest stack depth: 27400 bytes left [ 4.690084][ T1] kvm_amd: CPU 0 isn't AMD or Hygon [ 4.698498][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x285c3ee517e, max_idle_ns: 440795257231 ns [ 4.712608][ T70] kworker/u9:1 (70) used greatest stack depth: 27112 bytes left [ 4.726172][ T1] twofish-x86_64-3way: performance on this CPU would be suboptimal: disabling twofish-x86_64-3way. [ 4.733454][ T1] CPU feature 'AVX registers' is not supported. [ 4.738241][ T1] CPU feature 'AVX registers' is not supported. [ 4.742492][ T1] AVX2 instructions are not detected. [ 4.746149][ T1] des3_ede-x86_64: performance on this CPU would be suboptimal: disabling des3_ede-x86_64. [ 4.752815][ T1] camellia-x86_64: performance on this CPU would be suboptimal: disabling camellia-x86_64. [ 4.759802][ T1] AVX or AES-NI instructions are not detected. [ 4.763924][ T1] AVX2 or AES-NI instructions are not detected. [ 4.768394][ T1] blowfish-x86_64: performance on this CPU would be suboptimal: disabling blowfish-x86_64. [ 4.775570][ T1] CPU feature 'AVX registers' is not supported. [ 4.780591][ T1] CPU feature 'AVX registers' is not supported. [ 4.785000][ T1] sm3_avx_x86_64: AVX instruction are not detected. [ 4.789364][ T1] AVX or AES-NI instructions are not detected. [ 4.793458][ T1] AVX2 or AES-NI instructions are not detected. [ 4.797790][ T1] AVX or AES-NI instructions are not detected. [ 4.821900][ T1] Initialise system trusted keyrings [ 4.827209][ T1] workingset: timestamp_bits=40 (anon: 36) max_order=21 bucket_order=0 (anon: 0) [ 4.842790][ T1] DLM installed [ 4.844153][ T96] kworker/u9:1 (96) used greatest stack depth: 26848 bytes left [ 4.849609][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 4.863470][ T1] NFS: Registering the id_resolver key type [ 4.867636][ T1] Key type id_resolver registered [ 4.871218][ T1] Key type id_legacy registered [ 4.874887][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 4.880003][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 4.923764][ T1] Key type cifs.spnego registered [ 4.927231][ T1] Key type cifs.idmap registered [ 4.931986][ T1] ntfs3: Enabled Linux POSIX ACLs support [ 4.936225][ T1] ntfs3: Read-only LZX/Xpress compression included [ 4.940287][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 4.944734][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 4.951360][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 4.955594][ T1] QNX4 filesystem 0.2.3 registered. [ 4.958976][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 4.963335][ T1] fuse: init (API version 7.45) [ 4.971677][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 4.977848][ T1] orangefs_init: module version upstream loaded [ 4.982628][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 4.998917][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled [ 5.008892][ T1] 9p: Installing v9fs 9p2000 file system support [ 5.013568][ T1] NILFS version 2 loaded [ 5.016751][ T1] befs: version: 0.9.3 [ 5.020567][ T1] ocfs2: Registered cluster interface o2cb [ 5.026404][ T1] ocfs2: Registered cluster interface user [ 5.033004][ T1] OCFS2 User DLM kernel interface loaded [ 5.068955][ T1] gfs2: GFS2 installed [ 5.081399][ T1] ceph: loaded (mds proto 32) [ 5.100165][ T1] cryptd: max_cpu_qlen set to 1000 [ 5.117838][ T1] NET: Registered PF_ALG protocol family [ 5.121218][ T1] async_tx: api initialized (async) [ 5.124415][ T1] Key type asymmetric registered [ 5.127378][ T1] Asymmetric key parser 'x509' registered [ 5.130702][ T1] Asymmetric key parser 'pkcs8' registered [ 5.134147][ T1] Key type pkcs7_test registered [ 5.137478][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239) [ 5.154229][ T1] io scheduler mq-deadline registered [ 5.157424][ T1] io scheduler kyber registered [ 5.160846][ T1] io scheduler bfq registered [ 5.166111][ T1] xor: measuring software checksum speed [ 5.169449][ T1] ================================================================== [ 5.174091][ T1] BUG: KASAN: stack-out-of-bounds in xor_gen_sse_pf64+0xae/0xaa0 [ 5.174091][ T1] Read of size 8 at addr ffffc900000678c8 by task swapper/0/1 [ 5.174091][ T1] [ 5.174091][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 5.174091][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 5.174091][ T1] Call Trace: [ 5.174091][ T1] [ 5.174091][ T1] dump_stack_lvl+0xe8/0x150 [ 5.174091][ T1] print_report+0xba/0x230 [ 5.174091][ T1] ? xor_gen_sse_pf64+0xae/0xaa0 [ 5.174091][ T1] kasan_report+0x117/0x150 [ 5.174091][ T1] ? xor_gen_sse_pf64+0xae/0xaa0 [ 5.174091][ T1] xor_gen_sse_pf64+0xae/0xaa0 [ 5.174091][ T1] do_xor_speed+0xf8/0x200 [ 5.174091][ T1] ? set_page_refcounted+0xa0/0x1e0 [ 5.174091][ T1] ? __pfx_do_xor_speed+0x10/0x10 [ 5.174091][ T1] ? set_page_refcounted+0xa0/0x1e0 [ 5.174091][ T1] ? alloc_pages_noprof+0xbd/0x190 [ 5.174091][ T1] ? __pfx_calibrate_xor_blocks+0x10/0x10 [ 5.174091][ T1] calibrate_xor_blocks+0x11b/0x1c0 [ 5.174091][ T1] ? __pfx_calibrate_xor_blocks+0x10/0x10 [ 5.174091][ T1] do_one_initcall+0x250/0x8d0 [ 5.174091][ T1] ? __pfx_calibrate_xor_blocks+0x10/0x10 [ 5.174091][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 5.174091][ T1] ? lapic_next_event+0x11/0x20 [ 5.174091][ T1] ? clockevents_program_event+0x3ba/0x4b0 [ 5.174091][ T1] ? __pfx___schedule+0x10/0x10 [ 5.174091][ T1] ? ktime_get+0x45/0x220 [ 5.174091][ T1] ? kvm_clock_get_cycles+0x47/0x60 [ 5.174091][ T1] ? ktime_get+0x1f5/0x220 [ 5.174091][ T1] ? lapic_next_event+0x11/0x20 [ 5.174091][ T1] ? clockevents_program_event+0x3ba/0x4b0 [ 5.174091][ T1] ? __pfx_clockevents_program_event+0x10/0x10 [ 5.174091][ T1] ? irqentry_exit+0x61a/0x700 [ 5.174091][ T1] ? lockdep_hardirqs_on+0x7a/0x110 [ 5.174091][ T1] ? irqentry_exit+0x61a/0x700 [ 5.174091][ T1] ? trace_irq_disable+0x3b/0x150 [ 5.174091][ T1] do_initcall_level+0x104/0x190 [ 5.174091][ T1] ? kernel_init+0x1d/0x1d0 [ 5.174091][ T1] do_initcalls+0x59/0xa0 [ 5.174091][ T1] kernel_init_freeable+0x2a6/0x3e0 [ 5.174091][ T1] ? __pfx_kernel_init+0x10/0x10 [ 5.174091][ T1] kernel_init+0x1d/0x1d0 [ 5.174091][ T1] ? __pfx_kernel_init+0x10/0x10 [ 5.174091][ T1] ret_from_fork+0x51e/0xb90 [ 5.174091][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 5.174091][ T1] ? __switch_to+0xc7d/0x1450 [ 5.174091][ T1] ? __pfx_kernel_init+0x10/0x10 [ 5.174091][ T1] ret_from_fork_asm+0x1a/0x30 [ 5.174091][ T1] [ 5.174091][ T1] [ 5.174091][ T1] The buggy address belongs to stack of task swapper/0/1 [ 5.174091][ T1] and is located at offset 40 in frame: [ 5.174091][ T1] do_xor_speed+0x0/0x200 [ 5.174091][ T1] [ 5.174091][ T1] This frame has 1 object: [ 5.174091][ T1] [32, 40) 'srcs' [ 5.174091][ T1] [ 5.174091][ T1] The buggy address belongs to a 8-page vmalloc region starting at 0xffffc90000060000 allocated at copy_process+0x508/0x3cf0 [ 5.174091][ T1] The buggy address belongs to the physical page: [ 5.174091][ T1] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026f7 [ 5.174091][ T1] flags: 0x17ff00000000000(node=0|zone=2|lastcpupid=0x7ff) [ 5.174091][ T1] raw: 017ff00000000000 ffffea000409bdc8 ffffea000409bdc8 0000000000000000 [ 5.174091][ T1] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 5.174091][ T1] page dumped because: kasan: bad access detected [ 5.174091][ T1] page_owner tracks the page as allocated [ 5.174091][ T1] page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2102(__GFP_HIGHMEM|__GFP_ZERO|__GFP_NOWARN), pid 0, tgid 0 (swapper/0), ts 2341196832, free_ts 0 [ 5.174091][ T1] post_alloc_hook+0x231/0x280 [ 5.174091][ T1] get_page_from_freelist+0x23a1/0x2440 [ 5.174091][ T1] __alloc_frozen_pages_noprof+0x18d/0x380 [ 5.174091][ T1] alloc_pages_mpol+0x232/0x4a0 [ 5.174091][ T1] alloc_pages_noprof+0xa8/0x190 [ 5.174091][ T1] __vmalloc_node_range_noprof+0x7f6/0x1a80 [ 5.174091][ T1] __vmalloc_node_noprof+0xc2/0x100 [ 5.174091][ T1] dup_task_struct+0x228/0x9e0 [ 5.174091][ T1] copy_process+0x508/0x3cf0 [ 5.174091][ T1] kernel_clone+0x248/0x8e0 [ 5.174091][ T1] user_mode_thread+0x110/0x180 [ 5.174091][ T1] rest_init+0x23/0x300 [ 5.174091][ T1] start_kernel+0x38a/0x3e0 [ 5.174091][ T1] x86_64_start_reservations+0x24/0x30 [ 5.174091][ T1] x86_64_start_kernel+0x143/0x1c0 [ 5.174091][ T1] common_startup_64+0x13e/0x147 [ 5.174091][ T1] page_owner free stack trace missing [ 5.174091][ T1] [ 5.174091][ T1] Memory state around the buggy address: [ 5.174091][ T1] ffffc90000067780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 5.174091][ T1] ffffc90000067800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 5.174091][ T1] >ffffc90000067880: 00 00 00 00 f1 f1 f1 f1 00 f3 f3 f3 00 00 00 00 [ 5.174091][ T1] ^ [ 5.174091][ T1] ffffc90000067900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 5.174091][ T1] ffffc90000067980: 00 00 00 00 f1 f1 f1 f1 f8 f8 f8 f8 f8 f8 f8 f8 [ 5.174091][ T1] ================================================================== [ 5.487746][ T1] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 5.491814][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 5.496514][ T1] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 [ 5.497715][ T1] Call Trace: [ 5.497715][ T1] [ 5.497715][ T1] vpanic+0x56c/0xa60 [ 5.497715][ T1] ? __pfx_vpanic+0x10/0x10 [ 5.497715][ T1] ? irqentry_exit+0x61a/0x700 [ 5.497715][ T1] panic+0xc5/0xd0 [ 5.497715][ T1] ? __pfx_panic+0x10/0x10 [ 5.497715][ T1] ? xor_gen_sse_pf64+0xae/0xaa0 [ 5.497715][ T1] ? xor_gen_sse_pf64+0xae/0xaa0 [ 5.497715][ T1] check_panic_on_warn+0x89/0xb0 [ 5.497715][ T1] ? xor_gen_sse_pf64+0xae/0xaa0 [ 5.497715][ T1] end_report+0x73/0x180 [ 5.497715][ T1] ? xor_gen_sse_pf64+0xae/0xaa0 [ 5.497715][ T1] kasan_report+0x128/0x150 [ 5.497715][ T1] ? xor_gen_sse_pf64+0xae/0xaa0 [ 5.497715][ T1] xor_gen_sse_pf64+0xae/0xaa0 [ 5.497715][ T1] do_xor_speed+0xf8/0x200 [ 5.497715][ T1] ? set_page_refcounted+0xa0/0x1e0 [ 5.497715][ T1] ? __pfx_do_xor_speed+0x10/0x10 [ 5.497715][ T1] ? set_page_refcounted+0xa0/0x1e0 [ 5.497715][ T1] ? alloc_pages_noprof+0xbd/0x190 [ 5.497715][ T1] ? __pfx_calibrate_xor_blocks+0x10/0x10 [ 5.497715][ T1] calibrate_xor_blocks+0x11b/0x1c0 [ 5.497715][ T1] ? __pfx_calibrate_xor_blocks+0x10/0x10 [ 5.497715][ T1] do_one_initcall+0x250/0x8d0 [ 5.497715][ T1] ? __pfx_calibrate_xor_blocks+0x10/0x10 [ 5.497715][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 5.497715][ T1] ? lapic_next_event+0x11/0x20 [ 5.497715][ T1] ? clockevents_program_event+0x3ba/0x4b0 [ 5.497715][ T1] ? __pfx___schedule+0x10/0x10 [ 5.497715][ T1] ? ktime_get+0x45/0x220 [ 5.497715][ T1] ? kvm_clock_get_cycles+0x47/0x60 [ 5.497715][ T1] ? ktime_get+0x1f5/0x220 [ 5.497715][ T1] ? lapic_next_event+0x11/0x20 [ 5.497715][ T1] ? clockevents_program_event+0x3ba/0x4b0 [ 5.497715][ T1] ? __pfx_clockevents_program_event+0x10/0x10 [ 5.497715][ T1] ? irqentry_exit+0x61a/0x700 [ 5.497715][ T1] ? lockdep_hardirqs_on+0x7a/0x110 [ 5.497715][ T1] ? irqentry_exit+0x61a/0x700 [ 5.497715][ T1] ? trace_irq_disable+0x3b/0x150 [ 5.497715][ T1] do_initcall_level+0x104/0x190 [ 5.497715][ T1] ? kernel_init+0x1d/0x1d0 [ 5.497715][ T1] do_initcalls+0x59/0xa0 [ 5.497715][ T1] kernel_init_freeable+0x2a6/0x3e0 [ 5.497715][ T1] ? __pfx_kernel_init+0x10/0x10 [ 5.497715][ T1] kernel_init+0x1d/0x1d0 [ 5.497715][ T1] ? __pfx_kernel_init+0x10/0x10 [ 5.497715][ T1] ret_from_fork+0x51e/0xb90 [ 5.497715][ T1] ? __pfx_ret_from_fork+0x10/0x10 [ 5.497715][ T1] ? __switch_to+0xc7d/0x1450 [ 5.497715][ T1] ? __pfx_kernel_init+0x10/0x10 [ 5.497715][ T1] ret_from_fork_asm+0x1a/0x30 [ 5.497715][ T1] [ 5.497715][ T1] Kernel Offset: disabled [ 5.497715][ T1] Rebooting in 86400 seconds..