[ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd034] [ 0.000000] Linux version 4.20.0-rc4-next-20181130-00011-gaa3ac9a7b87a-dirty (anders@compilator) (gcc version 7.3.1 20180425 [linaro-7.3-2018.05 revision d29120a424ecfbc167ef90065c0eeb7f91977701] (Linaro GCC 7.3-2018.05)) #66 SMP Mon Dec 3 14:59:47 CET 2018 [ 0.000000] Machine model: linux,dummy-virt [ 0.000000] earlycon: pl11 at MMIO 0x0000000009000000 (options '') [ 0.000000] printk: bootconsole [pl11] enabled [ 0.000000] efi: Getting EFI parameters from FDT: [ 0.000000] efi: UEFI not found. [ 0.000000] cma: Reserved 16 MiB at 0x00000000bf000000 [ 0.000000] kmemleak: Kernel memory leak detector disabled [ 0.000000] NUMA: No NUMA configuration found [ 0.000000] NUMA: Faking a node at [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000] NUMA: NODE_DATA [mem 0xbebf6600-0xbebf7fff] [ 0.000000] Zone ranges: [ 0.000000] DMA32 [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000] Normal empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000040000000-0x00000000bfffffff] [ 0.000000] psci: probing for conduit method from DT. [ 0.000000] psci: PSCIv0.2 detected in firmware. [ 0.000000] psci: Using standard PSCI v0.2 function IDs [ 0.000000] psci: Trusted OS migration not required [ 0.000000] random: get_random_bytes called from start_kernel+0xe4/0x7d4 with crng_init=0 [ 0.000000] percpu: Embedded 490 pages/cpu @(____ptrval____) s1969240 r8192 d29608 u2007040 [ 0.000000] Detected VIPT I-cache on CPU0 [ 0.000000] CPU features: enabling workaround for ARM erratum 843419 [ 0.000000] CPU features: enabling workaround for ARM erratum 845719 [ 0.000000] CPU features: detected: Kernel page table isolation (KPTI) [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 516096 [ 0.000000] Policy zone: DMA32 [ 0.000000] Kernel command line: root=/dev/root rootfstype=9p rootflags=trans=virtio console=ttyAMA0,38400n8 earlycon=pl011,0x9000000 initcall_debug [ 0.000000] Memory: 970932K/2097152K available (24952K kernel code, 16862K rwdata, 4884K rodata, 6144K init, 23471K bss, 116596K reserved, 16384K cma-reserved) [ 0.000000] random: get_random_u64 called from kmem_cache_open+0x78/0x3c8 with crng_init=0 [ 0.000000] random: get_random_u64 called from cache_random_seq_create+0xd0/0x1a8 with crng_init=0 [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000] ODEBUG: selftest passed [ 0.000000] ftrace: allocating 42031 entries in 165 pages [ 0.000000] Running RCU self tests [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU dyntick-idle grace-period acceleration is enabled. [ 0.000000] rcu: RCU lockdep checking is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=1. [ 0.000000] rcu: RCU callback double-/use-after-free debug enabled. [ 0.000000] rcu: RCU debug extended QS entry/exit. [ 0.000000] Tasks RCU enabled. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1 [ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0 [ 0.000000] GICv2m: range[mem 0x08020000-0x08020fff], SPI[80:143] [ 0.000000] arch_timer: cp15 timer(s) running at 62.50MHz (virt). [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x1cd42e208c, max_idle_ns: 881590405314 ns [ 0.000239] sched_clock: 56 bits at 62MHz, resolution 16ns, wraps every 4398046511096ns [ 0.021707] Console: colour dummy device 80x25 [ 0.028071] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.028738] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.029295] ... MAX_LOCK_DEPTH: 48 [ 0.030340] ... MAX_LOCKDEP_KEYS: 8191 [ 0.030914] ... CLASSHASH_SIZE: 4096 [ 0.031487] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.032069] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.032635] ... CHAINHASH_SIZE: 32768 [ 0.033204] memory used by lock dependency info: 7775 kB [ 0.034266] per task-struct memory footprint: 2688 bytes [ 0.034883] ------------------------ [ 0.035399] | Locking API testsuite: [ 0.035919] ---------------------------------------------------------------------------- [ 0.036555] | spin |wlock |rlock |mutex | wsem | rsem | [ 0.037185] -------------------------------------------------------------------------- [ 0.038886] A-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.052856] A-B-B-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.067186] A-B-B-C-C-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.082342] A-B-C-A-B-C deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.098383] A-B-B-C-C-D-D-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.115380] A-B-C-D-B-D-D-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.132724] A-B-C-D-B-C-D-A deadlock: ok | ok | ok | ok | ok | ok | ok | [ 0.150173] double unlock: ok | ok | ok | ok | ok | ok | ok | [ 0.162225] initialize held: ok | ok | ok | ok | ok | ok | ok | [ 0.173981] -------------------------------------------------------------------------- [ 0.174664] recursive read-lock: | ok | | ok | [ 0.179035] recursive read-lock #2: | ok | | ok | [ 0.183347] mixed read-write-lock: | ok | | ok | [ 0.187782] mixed write-read-lock: | ok | | ok | [ 0.192233] mixed read-lock/lock-write ABBA: |FAILED| | ok | [ 0.196472] mixed read-lock/lock-read ABBA: | ok | | ok | [ 0.201187] mixed write-lock/lock-write ABBA: | ok | | ok | [ 0.205912] -------------------------------------------------------------------------- [ 0.207014] hard-irqs-on + irq-safe-A/12: ok | ok | ok | [ 0.212987] soft-irqs-on + irq-safe-A/12: ok | ok | ok | [ 0.219033] hard-irqs-on + irq-safe-A/21: ok | ok | ok | [ 0.225350] soft-irqs-on + irq-safe-A/21: ok | ok | ok | [ 0.231253] sirq-safe-A => hirqs-on/12: ok | ok | ok | [ 0.237825] sirq-safe-A => hirqs-on/21: ok | ok | ok | [ 0.243837] hard-safe-A + irqs-on/12: ok | ok | ok | [ 0.249828] soft-safe-A + irqs-on/12: ok | ok | ok | [ 0.256380] hard-safe-A + irqs-on/21: ok | ok | ok | [ 0.262247] soft-safe-A + irqs-on/21: ok | ok | ok | [ 0.268388] hard-safe-A + unsafe-B #1/123: ok | ok | ok | [ 0.275291] soft-safe-A + unsafe-B #1/123: ok | ok | ok | [ 0.281678] hard-safe-A + unsafe-B #1/132: ok | ok | ok | [ 0.288607] soft-safe-A + unsafe-B #1/132: ok | ok | ok | [ 0.294976] hard-safe-A + unsafe-B #1/213: ok | ok | ok | [ 0.302063] soft-safe-A + unsafe-B #1/213: ok | ok | ok | [ 0.308557] hard-safe-A + unsafe-B #1/231: ok | ok | ok | [ 0.315289] soft-safe-A + unsafe-B #1/231: ok | ok | ok | [ 0.321616] hard-safe-A + unsafe-B #1/312: ok | ok | ok | [ 0.327739] soft-safe-A + unsafe-B #1/312: ok | ok | ok | [ 0.334349] hard-safe-A + unsafe-B #1/321: ok | ok | ok | [ 0.340593] soft-safe-A + unsafe-B #1/321: ok | ok | ok | [ 0.347347] hard-safe-A + unsafe-B #2/123: ok | ok | ok | [ 0.353711] soft-safe-A + unsafe-B #2/123: ok | ok | ok | [ 0.360876] hard-safe-A + unsafe-B #2/132: ok | ok | ok | [ 0.367155] soft-safe-A + unsafe-B #2/132: ok | ok | ok | [ 0.374188] hard-safe-A + unsafe-B #2/213: ok | ok | ok | [ 0.380769] soft-safe-A + unsafe-B #2/213: ok | ok | ok | [ 0.387906] hard-safe-A + unsafe-B #2/231: ok | ok | ok | [ 0.394293] soft-safe-A + unsafe-B #2/231: ok | ok | ok | [ 0.401397] hard-safe-A + unsafe-B #2/312: ok | ok | ok | [ 0.407728] soft-safe-A + unsafe-B #2/312: ok | ok | ok | [ 0.414902] hard-safe-A + unsafe-B #2/321: ok | ok | ok | [ 0.421156] soft-safe-A + unsafe-B #2/321: ok | ok | ok | [ 0.428168] hard-irq lock-inversion/123: ok | ok | ok | [ 0.434749] soft-irq lock-inversion/123: ok | ok | ok | [ 0.441905] hard-irq lock-inversion/132: ok | ok | ok | [ 0.448188] soft-irq lock-inversion/132: ok | ok | ok | [ 0.455154] hard-irq lock-inversion/213: ok | ok | ok | [ 0.461607] soft-irq lock-inversion/213: ok | ok | ok | [ 0.468718] hard-irq lock-inversion/231: ok | ok | ok | [ 0.474899] soft-irq lock-inversion/231: ok | ok | ok | [ 0.481892] hard-irq lock-inversion/312: ok | ok | ok | [ 0.488320] soft-irq lock-inversion/312: ok | ok | ok | [ 0.495315] hard-irq lock-inversion/321: ok | ok | ok | [ 0.501523] soft-irq lock-inversion/321: ok | ok | ok | [ 0.508617] hard-irq read-recursion/123: ok | [ 0.511086] soft-irq read-recursion/123: ok | [ 0.514202] hard-irq read-recursion/132: ok | [ 0.516715] soft-irq read-recursion/132: ok | [ 0.519873] hard-irq read-recursion/213: ok | [ 0.522836] soft-irq read-recursion/213: ok | [ 0.525330] hard-irq read-recursion/231: ok | [ 0.528320] soft-irq read-recursion/231: ok | [ 0.531308] hard-irq read-recursion/312: ok | [ 0.533781] soft-irq read-recursion/312: ok | [ 0.536820] hard-irq read-recursion/321: ok | [ 0.539391] soft-irq read-recursion/321: ok | [ 0.542515] -------------------------------------------------------------------------- [ 0.543176] | Wound/wait tests | [ 0.543712] --------------------- [ 0.544226] ww api failures: ok | ok | ok | [ 0.552754] ww contexts mixing: ok | ok | [ 0.556879] finishing ww context: ok | ok | ok | ok | [ 0.564738] locking mismatches: ok | ok | ok | [ 0.570518] EDEADLK handling: ok | ok | ok | ok | ok | ok | ok | ok | ok | ok | [ 0.591897] spinlock nest unlocked: ok | [ 0.593990] ----------------------------------------------------- [ 0.594602] |block | try |context| [ 0.595210] ----------------------------------------------------- [ 0.596259] context: ok | ok | ok | [ 0.602556] try: ok | ok | ok | [ 0.608179] block: ok | ok | ok | [ 0.613823] spinlock: ok | ok | ok | [ 0.620658] ------------------------------------------------------- [ 0.621409] Good, all 261 testcases passed! | [ 0.622034] --------------------------------- [ 0.629586] Calibrating delay loop (skipped), value calculated using timer frequency.. 125.00 BogoMIPS (lpj=250000) [ 0.630575] pid_max: default: 32768 minimum: 301 [ 0.647200] LSM: Security Framework initializing [ 0.648264] Yama: becoming mindful. [ 0.652456] LoadPin: ready to pin (currently enforcing) [ 0.654143] SELinux: Initializing. [ 0.666064] *** VALIDATE SELinux *** [ 0.667707] AppArmor: AppArmor disabled by boot time parameter [ 0.721738] Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes) [ 0.742888] Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.747459] Mount-cache hash table entries: 4096 (order: 3, 32768 bytes) [ 0.749133] Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes) [ 0.808106] *** VALIDATE proc *** [ 0.819259] ================================================================================ [ 0.820159] UBSAN: Undefined behaviour in ../include/linux/unaligned/access_ok.h:50:17 [ 0.820783] store to misaligned address ffffff800a603b56 for type '__le64' [ 0.821307] which requires 8 byte alignment [ 0.822137] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G T 4.20.0-rc4-next-20181130-00011-gaa3ac9a7b87a-dirty #66 [ 0.822669] Hardware name: linux,dummy-virt (DT) [ 0.823247] Call trace: [ 0.823777] dump_backtrace+0x0/0x308 [ 0.824279] show_stack+0x28/0x38 [ 0.824815] __dump_stack+0x24/0x2c [ 0.825273] dump_stack+0xf8/0x16c [ 0.825717] ubsan_epilogue+0x18/0x50 [ 0.826200] handle_misaligned_access+0x94/0xc8 [ 0.826686] ubsan_type_mismatch_common+0x60/0x90 [ 0.827183] __ubsan_handle_type_mismatch+0x50/0x74 [ 0.827720] strscpy+0x188/0x2f8 [ 0.828250] cgroup_file_name+0x1d0/0x1f0 [ 0.828732] cgroup_add_file+0x8c/0x220 [ 0.829245] cgroup_addrm_files+0x260/0x320 [ 0.829763] css_populate_dir+0x100/0x350 [ 0.830249] cgroup_setup_root+0x27c/0xac0 [ 0.830764] cgroup_init+0x2b4/0x1648 [ 0.831333] start_kernel+0x768/0x7d4 [ 0.831862] ================================================================================ [ 0.833121] ================================================================================ [ 0.833710] UBSAN: Undefined behaviour in ../include/linux/unaligned/access_ok.h:50:17 [ 0.834279] store to misaligned address ffffff800a603b5e for type '__le64' [ 0.834766] which requires 8 byte alignment [ 0.835284] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G T 4.20.0-rc4-next-20181130-00011-gaa3ac9a7b87a-dirty #66 [ 0.835891] Hardware name: linux,dummy-virt (DT) [ 0.836247] Call trace: [ 0.836656] dump_backtrace+0x0/0x308 [ 0.837105] show_stack+0x28/0x38 [ 0.837587] __dump_stack+0x24/0x2c [ 0.838048] dump_stack+0xf8/0x16c [ 0.838501] ubsan_epilogue+0x18/0x50 [ 0.838982] handle_misaligned_access+0x94/0xc8 [ 0.839527] ubsan_type_mismatch_common+0x60/0x90 [ 0.840053] __ubsan_handle_type_mismatch+0x50/0x74 [ 0.840580] strscpy+0x10c/0x2f8 [ 0.841058] cgroup_file_name+0x1d0/0x1f0 [ 0.841563] cgroup_add_file+0x8c/0x220 [ 0.842062] cgroup_addrm_files+0x260/0x320 [ 0.842572] css_populate_dir+0x100/0x350 [ 0.843054] cgroup_setup_root+0x27c/0xac0 [ 0.843558] cgroup_init+0x2b4/0x1648 [ 0.844041] start_kernel+0x768/0x7d4 [ 0.844437] ================================================================================ [ 0.867393] *** VALIDATE cgroup1 *** [ 0.868027] *** VALIDATE cgroup2 *** [ 0.974850] ASID allocator initialised with 32768 entries [ 0.991339] rcu: Hierarchical SRCU implementation. [ 1.120548] EFI services will not be available. [ 1.162757] smp: Bringing up secondary CPUs ... [ 1.163522] smp: Brought up 1 node, 1 CPU [ 1.164122] SMP: Total of 1 processors activated. [ 1.164888] CPU features: detected: 32-bit EL0 Support [ 1.165555] CPU features: detected: CRC32 instructions [ 1.538784] CPU features: emulated: Privileged Access Never (PAN) using TTBR0_EL1 switching [ 1.539844] CPU: All CPU(s) started at EL1 [ 1.541105] alternatives: patching kernel code [ 1.543000] _warn_unseeded_randomness: 98 callbacks suppressed [ 1.543493] random: get_random_u64 called from compute_layout+0x138/0x1b8 with crng_init=0 [ 1.601074] random: get_random_u64 called from dup_task_struct+0x164/0x7f0 with crng_init=0 [ 5.945383] node 0 initialised, 248310 pages in 4ms [ 5.958024] ================================================================================ [ 5.958649] UBSAN: Undefined behaviour in ../kernel/exit.c:735:2 [ 5.959102] member access within misaligned address ffffff800cf817d8 for type 'struct task_struct' [ 5.959577] which requires 64 byte alignment [ 5.960069] CPU: 0 PID: 15 Comm: pgdatinit0 Tainted: G T 4.20.0-rc4-next-20181130-00011-gaa3ac9a7b87a-dirty #66 [ 5.960588] Hardware name: linux,dummy-virt (DT) [ 5.960944] Call trace: [ 5.961360] dump_backtrace+0x0/0x308 [ 5.961779] show_stack+0x28/0x38 [ 5.962200] __dump_stack+0x24/0x2c [ 5.962622] dump_stack+0xf8/0x16c [ 5.963070] ubsan_epilogue+0x18/0x50 [ 5.963505] handle_misaligned_access+0x94/0xc8 [ 5.963949] ubsan_type_mismatch_common+0x60/0x90 [ 5.964402] __ubsan_handle_type_mismatch+0x50/0x74 [ 5.964850] exit_notify+0x568/0x5d0 [ 5.965268] do_exit+0xabc/0xf60 [ 5.965699] __kthread_init_worker+0x0/0x150 [ 5.966131] ret_from_fork+0x10/0x18 [ 5.966478] ================================================================================ [ 5.968328] pgdatinit0 (15) used greatest stack depth: 12720 bytes left [ 5.982888] random: get_random_u64 called from kmem_cache_open+0x78/0x3c8 with crng_init=0 [ 6.095674] devtmpfs: initialized [ 6.425712] workqueue: round-robin CPU selection forced, expect performance impact [ 6.431413] gcov: version magic: 0x4137332a [ 6.466199] Registered cp15_barrier emulation handler [ 6.467175] Registered setend emulation handler [ 17.037047] DMA-API: preallocated 65536 debug entries [ 17.038221] DMA-API: debugging enabled by kernel config [ 17.039959] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 17.043627] futex hash table entries: 256 (order: 3, 32768 bytes) [ 17.051714] Running postponed tracer tests: [ 17.056324] Testing tracer function: [ 17.057402] ================================================================================ [ 17.058425] UBSAN: Undefined behaviour in ../kernel/sched/fair.c:7432:2 [ 17.058887] member access within misaligned address ffffffc07ebe4f68 for type 'struct cfs_rq' [ 17.059349] which requires 64 byte alignment [ 17.059839] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G T 4.20.0-rc4-next-20181130-00011-gaa3ac9a7b87a-dirty #66 [ 17.060392] Hardware name: linux,dummy-virt (DT) [ 17.060753] Call trace: [ 17.061160] dump_backtrace+0x0/0x308 [ 17.061587] show_stack+0x28/0x38 [ 17.062017] __dump_stack+0x24/0x2c [ 17.062447] dump_stack+0xf8/0x16c [ 17.062873] ubsan_epilogue+0x18/0x50 [ 17.063321] handle_misaligned_access+0x94/0xc8 [ 17.063786] ubsan_type_mismatch_common+0x60/0x90 [ 17.064257] __ubsan_handle_type_mismatch+0x50/0x74 [ 17.064734] update_blocked_averages+0x24a8/0x2928 [ 17.065201] idle_balance+0x5c8/0xd68 [ 17.065652] pick_next_task_fair+0x760/0x7b8 [ 17.066101] __schedule+0x74c/0x15b8 [ 17.066529] schedule+0x154/0x210 [ 17.066972] schedule_timeout+0xe88/0xef8 [ 17.067473] schedule_timeout_uninterruptible+0x7c/0x90 [ 17.067949] msleep+0x3c/0x58 [ 17.068385] trace_selftest_startup_function+0x140/0x4dc [ 17.068857] run_tracer_selftest+0x300/0x4a4 [ 17.069307] init_trace_selftests+0x29c/0x8b4 [ 17.069758] do_one_initcall+0x4c8/0xa50 [ 17.070218] do_initcall_level+0xbcc/0xca4 [ 17.070673] do_initcalls+0x60/0xa4 [ 17.071142] do_basic_setup+0x44/0x70 [ 17.071602] kernel_init_freeable+0x2d8/0x420 [ 17.072044] kernel_init+0x28/0x140 [ 17.072477] ret_from_fork+0x10/0x18 [ 17.072840] ================================================================================ [ 17.111190] ftrace_replace_code: 1 [ 27.901076] ../kernel/trace/ftrace.c:2442, loop_counter: 42031 [ 27.904743] ================================================================================ [ 27.905446] UBSAN: Undefined behaviour in ../kernel/trace/trace.c:2569:14 [ 27.905932] member access within misaligned address ffffffc03fd2601c for type 'struct ftrace_entry' [ 27.906416] which requires 8 byte alignment [ 27.906940] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G T 4.20.0-rc4-next-20181130-00011-gaa3ac9a7b87a-dirty #66 [ 27.907525] Hardware name: linux,dummy-virt (DT) [ 27.907940] Call trace: [ 27.908443] dump_backtrace+0x0/0x308 [ 27.908889] show_stack+0x28/0x38 [ 27.909335] __dump_stack+0x24/0x2c [ 27.909779] dump_stack+0xf8/0x16c [ 27.910219] ubsan_epilogue+0x18/0x50 [ 27.910676] handle_misaligned_access+0x94/0xc8 [ 27.911165] ubsan_type_mismatch_common+0x60/0x90 [ 27.911654] __ubsan_handle_type_mismatch+0x50/0x74 [ 27.912146] trace_function+0x164/0x668 [ 27.912619] function_trace_call+0x5d0/0x760 [ 27.913084] ftrace_ops_no_ops+0x710/0x738 [ 27.913546] ftrace_graph_call+0x0/0xc [ 27.914005] msleep+0x18/0x58 [ 27.914458] trace_selftest_startup_function+0x210/0x4dc [ 27.914944] run_tracer_selftest+0x300/0x4a4 [ 27.915433] init_trace_selftests+0x29c/0x8b4 [ 27.915901] do_one_initcall+0x4c8/0xa50 [ 27.916376] do_initcall_level+0xbcc/0xca4 [ 27.916845] do_initcalls+0x60/0xa4 [ 27.917303] do_basic_setup+0x44/0x70 [ 27.917773] kernel_init_freeable+0x2d8/0x420 [ 27.918233] kernel_init+0x28/0x140 [ 27.918681] ret_from_fork+0x10/0x18 [ 27.919088] ================================================================================ [ 27.923392] ================================================================================ [ 27.923932] UBSAN: Undefined behaviour in ../kernel/trace/trace.c:2570:20 [ 27.924415] member access within misaligned address ffffffc03fd2601c for type 'struct ftrace_entry' [ 27.924899] which requires 8 byte alignment [ 27.925391] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G T 4.20.0-rc4-next-20181130-00011-gaa3ac9a7b87a-dirty #66 [ 27.925929] Hardware name: linux,dummy-virt (DT) [ 27.926299] Call trace: [ 27.926739] dump_backtrace+0x0/0x308 [ 27.927187] show_stack+0x28/0x38 [ 27.927632] __dump_stack+0x24/0x2c [ 27.928075] dump_stack+0xf8/0x16c [ 27.928515] ubsan_epilogue+0x18/0x50 [ 27.928972] handle_misaligned_access+0x94/0xc8 [ 27.929450] ubsan_type_mismatch_common+0x60/0x90 [ 27.929936] __ubsan_handle_type_mismatch+0x50/0x74 [ 27.930426] trace_function+0x1a0/0x668 [ 27.930898] function_trace_call+0x5d0/0x760 [ 27.931367] ftrace_ops_no_ops+0x710/0x738 [ 27.931829] ftrace_graph_call+0x0/0xc [ 27.932285] msleep+0x18/0x58 [ 27.932736] trace_selftest_startup_function+0x210/0x4dc [ 27.933219] run_tracer_selftest+0x300/0x4a4 [ 27.933685] init_trace_selftests+0x29c/0x8b4 [ 27.934152] do_one_initcall+0x4c8/0xa50 [ 27.934626] do_initcall_level+0xbcc/0xca4 [ 27.935119] do_initcalls+0x60/0xa4 [ 27.935579] do_basic_setup+0x44/0x70 [ 27.936050] kernel_init_freeable+0x2d8/0x420 [ 27.936509] kernel_init+0x28/0x140 [ 27.936957] ret_from_fork+0x10/0x18 [ 27.937331] ================================================================================ [ 28.155911] ftrace_replace_code: 1 [ 37.886110] ../kernel/trace/ftrace.c:2442, loop_counter: 42031 [ 37.890981] PASSED [ 37.891472] Testing dynamic ftrace: [ 39.887003] ftrace_replace_code: 1 [ 39.909642] ../kernel/trace/ftrace.c:2442, loop_counter: 42031 [ 40.153935] PASSED