Movable zone start for each node Early memory node ranges node 0: [mem 0x0000000080000000-0x00000000ffffffff] Initmem setup node 0 [mem 0x0000000080000000-0x00000000ffffffff] percpu: Embedded 19 pages/cpu s47048 r8192 d22584 u77824 Kernel command line: root=/dev/vda console=ttyAMA0 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/vda console=ttyAMA0 vmalloc=512M smp.csd_lock_timeout=300000 watchdog_thresh=165 workqueue.watchdog_thresh=420 sysctl.net.core.netdev_unregister_timeout_secs=420 dummy_hcd.num=2 panic_on_warn=1 Unknown kernel command line parameters "earlyprintk=serial page_owner=on", will be passed to user space. Dentry cache hash table entries: 262144 (order: 8, 1048576 bytes, linear) Inode-cache hash table entries: 131072 (order: 7, 524288 bytes, linear) Built 1 zonelists, mobility grouping on. Total pages: 520868 allocated 2097152 bytes of page_ext mem auto-init: stack:off, heap alloc:on, heap free:off software IO TLB: area num 2. software IO TLB: mapped [mem 0x00000000d9a47000-0x00000000dda47000] (64MB) Memory: 1952316K/2097152K available (24576K kernel code, 2364K rwdata, 8404K rodata, 2048K init, 868K bss, 128452K reserved, 16384K cma-reserved, 524288K highmem) SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 trace event string verifier disabled rcu: Preemptible hierarchical RCU implementation. rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. rcu: RCU callback double-/use-after-free debug is enabled. All grace periods are expedited (rcu_expedited). Trampoline variant of Tasks RCU enabled. Tracing variant of Tasks RCU enabled. rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 GIC physical location is 0x2c001000 rcu: srcu_init: Setting srcu_struct sizes based on contention. sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns clocksource: arm,sp804: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446275 ns arch_timer: cp15 timer(s) running at 62.50MHz (virt). clocksource: arch_sys_counter: mask: 0x1ffffffffffffff max_cycles: 0x1cd42e208c, max_idle_ns: 881590405314 ns sched_clock: 57 bits at 63MHz, resolution 16ns, wraps every 4398046511096ns Switching to timer-based delay loop, resolution 16ns Console: colour dummy device 80x30 Calibrating delay loop (skipped), value calculated using timer frequency.. 125.00 BogoMIPS (lpj=625000) pid_max: default: 32768 minimum: 301 LSM: initializing lsm=lockdown,capability,landlock,yama,safesetid,tomoyo,selinux,bpf,integrity landlock: Up and running. Yama: becoming mindful. TOMOYO Linux initialized SELinux: Initializing. LSM support for eBPF active stackdepot: allocating hash table of 131072 entries via kvcalloc Mount-cache hash table entries: 4096 (order: 2, 16384 bytes, linear) Mountpoint-cache hash table entries: 4096 (order: 2, 16384 bytes, linear) CPU: Testing write buffer coherency: ok CPU0: Spectre BHB: enabling loop workaround for all CPUs CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at drivers/gpio/gpiolib.c:3222 gpiod_set_value+0x6c/0xc0 drivers/gpio/gpiolib.c:3222 Modules linked in: Kernel panic - not syncing: kernel: panic_on_warn set ... CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.4.0-rc1-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<817d90a4>] (dump_backtrace) from [<817d9198>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:826229c4 r5:60000193 r4:81f9d24c [<817d9180>] (show_stack) from [<817f5c70>] (__dump_stack lib/dump_stack.c:88 [inline]) [<817d9180>] (show_stack) from [<817f5c70>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<817f5c28>] (dump_stack_lvl) from [<817f5c94>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000000 r4:82850d14 [<817f5c7c>] (dump_stack) from [<817d9c90>] (panic+0x120/0x370 kernel/panic.c:340) [<817d9b70>] (panic) from [<80241fa8>] (print_tainted+0x0/0xa0 kernel/panic.c:236) r3:8260c488 r2:00000001 r1:81f86340 r0:81f8dd50 r7:80891b04 [<80241f24>] (check_panic_on_warn) from [<8024219c>] (__warn+0x7c/0x180 kernel/panic.c:673) [<80242120>] (__warn) from [<80242378>] (warn_slowpath_fmt+0xd8/0x1d8 kernel/panic.c:697) r8:00000009 r7:00000c96 r6:81fef590 r5:8260c964 r4:824adf7c [<802422a4>] (warn_slowpath_fmt) from [<80891b04>] (gpiod_set_value+0x6c/0xc0 drivers/gpio/gpiolib.c:3222) r10:00000000 r9:827e1666 r8:00000001 r7:dddd1798 r6:000000ff r5:00000001 r4:832a6568 [<80891a98>] (gpiod_set_value) from [<8107f920>] (gpio_led_set+0x5c/0x60 drivers/leds/leds-gpio.c:54) r5:000000ff r4:8301e1dc [<8107f8c4>] (gpio_led_set) from [<8107dd50>] (__led_set_brightness drivers/leds/led-core.c:47 [inline]) [<8107f8c4>] (gpio_led_set) from [<8107dd50>] (led_set_brightness_nopm drivers/leds/led-core.c:271 [inline]) [<8107f8c4>] (gpio_led_set) from [<8107dd50>] (led_set_brightness_nosleep+0x38/0x5c drivers/leds/led-core.c:287) r5:000000ff r4:8301e1dc [<8107dd18>] (led_set_brightness_nosleep) from [<8107e09c>] (led_set_brightness+0x64/0x68 drivers/leds/led-core.c:264) [<8107e038>] (led_set_brightness) from [<8107ef38>] (led_trigger_event drivers/leds/led-triggers.c:390 [inline]) [<8107e038>] (led_set_brightness) from [<8107ef38>] (led_trigger_event+0x38/0x50 drivers/leds/led-triggers.c:380) r5:8468b6d4 r4:8301e1dc [<8107ef00>] (led_trigger_event) from [<81080300>] (ledtrig_cpu+0xb0/0x100 drivers/leds/trigger/ledtrig-cpu.c:86) r7:dddd1798 r6:00000002 r5:8290cee4 r4:000001fd [<81080250>] (ledtrig_cpu) from [<80208efc>] (arch_cpu_idle_exit+0x14/0x18 arch/arm/kernel/process.c:98) r9:827e1666 r8:00000000 r7:8260c4e0 r6:8261ae40 r5:8260c498 r4:00000000 [<80208ee8>] (arch_cpu_idle_exit) from [<80293570>] (do_idle+0x7c/0x2f0 kernel/sched/idle.c:284) [<802934f4>] (do_idle) from [<80293b00>] (cpu_startup_entry+0x20/0x24 kernel/sched/idle.c:379) r10:82850000 r9:8260c440 r8:8261a934 r7:00000000 r6:8260c440 r5:82625c7c r4:000000ea [<80293ae0>] (cpu_startup_entry) from [<817f7c74>] (rest_init+0xdc/0xe0 init/main.c:735) [<817f7b98>] (rest_init) from [<82400bb8>] (arch_post_acpi_subsys_init+0x0/0x20 init/main.c:834) [<82400ba8>] (arch_call_rest_init) from [<824012f8>] (start_kernel+0x6e0/0x70c init/main.c:1088) [<82400c18>] (start_kernel) from [<00000000>] (0x0) 8<--- cut here --- Unable to handle kernel NULL pointer dereference at virtual address 00000206 when execute [00000206] *pgd=80000080004003, *pmd=00000000 Internal error: Oops: 80000207 [#1] PREEMPT SMP ARM Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.4.0-rc1-syzkaller #0 Hardware name: ARM-Versatile Express PC is at 0x206 LR is at __ipi_send_mask+0x2c/0xcc kernel/irq/ipi.c:285 pc : [<00000206>] lr : [<802c768c>] psr: 200001b3 sp : 82601d50 ip : 82601d78 fp : 82601d74 r10: 8261ae40 r9 : 80891b04 r8 : 81f8dd50 r7 : 83092a6c r6 : 82601da0 r5 : 83092a18 r4 : 00000207 r3 : 8260c460 r2 : 00000002 r1 : 82601da0 r0 : 83092a18 Flags: nzCv IRQs off FIQs on Mode SVC_32 ISA Thumb Segment user Control: 30c5387d Table: 84ab7200 DAC: fffffffd Register r0 information: slab kmalloc-256 start 83092a00 pointer offset 24 size 256 Register r1 information: non-slab/vmalloc memory Register r2 information: non-paged memory Register r3 information: non-slab/vmalloc memory Register r4 information: non-paged memory Register r5 information: slab kmalloc-256 start 83092a00 pointer offset 24 size 256 Register r6 information: non-slab/vmalloc memory Register r7 information: slab kmalloc-256 start 83092a00 pointer offset 108 size 256 Register r8 information: non-slab/vmalloc memory Register r9 information: non-slab/vmalloc memory Register r10 information: non-slab/vmalloc memory Register r11 information: non-slab/vmalloc memory Register r12 information: non-slab/vmalloc memory Process swapper/0 (pid: 0, stack limit = 0x82600000) Stack: (0x82601d50 to 0x82602000) 1d40: 00000004 82601da0 826229c4 00000000 1d60: 81f8dd50 80891b04 82601d9c 82601d78 8020fa6c 802c766c 00000000 8260c4a4 1d80: 826229c4 00000000 81f8dd50 80891b04 82601dc4 82601da0 8021074c 8020fa4c 1da0: 00000002 fa6ee05e 82850d14 00000000 826229c4 00000000 82601dec 82601dc8 1dc0: 817d9cc8 80210678 00000002 00000000 82601df4 fa6ee05e 82601dfc 80891b04 1de0: 82601e0c 82601e00 80241fa8 817d9b80 81f8dd50 81f86340 00000001 8260c488 1e00: 82601e3c 82601e10 8024219c 80241f30 00000c96 80891b04 82601e34 824adf7c 1e20: 8260c964 81fef590 00000c96 00000009 82601e88 82601e40 80242378 8024212c 1e40: 00000000 00000000 00000004 00000000 817f6f20 817f6de8 82601e84 fa6ee05e 1e60: 832a6568 00000001 000000ff dddd1798 00000001 827e1666 00000000 82601ea4 1e80: 82601e90 80891b04 802422b0 00000000 8301e1dc 000000ff 82601ebc 82601ea8 1ea0: 8107f920 80891aa4 8301e1dc 000000ff 82601ecc 82601ec0 8107dd50 8107f8d0 1ec0: 82601ee4 82601ed0 8107e09c 8107dd24 8301e1dc 8468b6d4 82601f04 82601ee8 1ee0: 8107ef38 8107e044 000001fd 8290cee4 00000002 dddd1798 82601f2c 82601f08 1f00: 81080300 8107ef0c 00000000 8260c498 8261ae40 8260c4e0 00000000 827e1666 1f20: 82601f3c 82601f30 80208efc 8108025c 82601f84 82601f40 80293570 80208ef4 1f40: 8260c440 00000000 81f86214 824af2f8 817f6f00 fa6ee05e 82601f84 000000ea 1f60: 82625c7c 8260c440 00000000 8261a934 8260c440 82850000 82601f94 82601f88 1f80: 80293b00 80293500 82601fa4 82601f98 817f7c74 80293aec 82601fb4 82601fa8 1fa0: 82400bb8 817f7ba4 82601ff4 82601fb8 824012f8 82400bb4 00000000 00000000 1fc0: 00000000 00000000 ffffffff 00000000 00000000 820ad698 82484a70 00000000 1fe0: 00000000 000008e0 00000000 82601ff8 00000000 82400c24 00000000 00000000 Backtrace: [<802c7660>] (__ipi_send_mask) from [<8020fa6c>] (smp_cross_call+0x2c/0xe4 arch/arm/kernel/smp.c:713) r9:80891b04 r8:81f8dd50 r7:00000000 r6:826229c4 r5:82601da0 r4:00000004 [<8020fa40>] (smp_cross_call) from [<8021074c>] (smp_send_stop+0xe0/0x130 arch/arm/kernel/smp.c:764) r9:80891b04 r8:81f8dd50 r7:00000000 r6:826229c4 r5:8260c4a4 r4:00000000 [<8021066c>] (smp_send_stop) from [<817d9cc8>] (panic_other_cpus_shutdown kernel/panic.c:263 [inline]) [<8021066c>] (smp_send_stop) from [<817d9cc8>] (panic+0x158/0x370 kernel/panic.c:361) r7:00000000 r6:826229c4 r5:00000000 r4:82850d14 [<817d9b70>] (panic) from [<80241fa8>] (print_tainted+0x0/0xa0 kernel/panic.c:236) r3:8260c488 r2:00000001 r1:81f86340 r0:81f8dd50 r7:80891b04 [<80241f24>] (check_panic_on_warn) from [<8024219c>] (__warn+0x7c/0x180 kernel/panic.c:673) [<80242120>] (__warn) from [<80242378>] (warn_slowpath_fmt+0xd8/0x1d8 kernel/panic.c:697) r8:00000009 r7:00000c96 r6:81fef590 r5:8260c964 r4:824adf7c [<802422a4>] (warn_slowpath_fmt) from [<80891b04>] (gpiod_set_value+0x6c/0xc0 drivers/gpio/gpiolib.c:3222) r10:00000000 r9:827e1666 r8:00000001 r7:dddd1798 r6:000000ff r5:00000001 r4:832a6568 [<80891a98>] (gpiod_set_value) from [<8107f920>] (gpio_led_set+0x5c/0x60 drivers/leds/leds-gpio.c:54) r5:000000ff r4:8301e1dc [<8107f8c4>] (gpio_led_set) from [<8107dd50>] (__led_set_brightness drivers/leds/led-core.c:47 [inline]) [<8107f8c4>] (gpio_led_set) from [<8107dd50>] (led_set_brightness_nopm drivers/leds/led-core.c:271 [inline]) [<8107f8c4>] (gpio_led_set) from [<8107dd50>] (led_set_brightness_nosleep+0x38/0x5c drivers/leds/led-core.c:287) r5:000000ff r4:8301e1dc [<8107dd18>] (led_set_brightness_nosleep) from [<8107e09c>] (led_set_brightness+0x64/0x68 drivers/leds/led-core.c:264) [<8107e038>] (led_set_brightness) from [<8107ef38>] (led_trigger_event drivers/leds/led-triggers.c:390 [inline]) [<8107e038>] (led_set_brightness) from [<8107ef38>] (led_trigger_event+0x38/0x50 drivers/leds/led-triggers.c:380) r5:8468b6d4 r4:8301e1dc [<8107ef00>] (led_trigger_event) from [<81080300>] (ledtrig_cpu+0xb0/0x100 drivers/leds/trigger/ledtrig-cpu.c:86) r7:dddd1798 r6:00000002 r5:8290cee4 r4:000001fd [<81080250>] (ledtrig_cpu) from [<80208efc>] (arch_cpu_idle_exit+0x14/0x18 arch/arm/kernel/process.c:98) r9:827e1666 r8:00000000 r7:8260c4e0 r6:8261ae40 r5:8260c498 r4:00000000 [<80208ee8>] (arch_cpu_idle_exit) from [<80293570>] (do_idle+0x7c/0x2f0 kernel/sched/idle.c:284) [<802934f4>] (do_idle) from [<80293b00>] (cpu_startup_entry+0x20/0x24 kernel/sched/idle.c:379) r10:82850000 r9:8260c440 r8:8261a934 r7:00000000 r6:8260c440 r5:82625c7c r4:000000ea [<80293ae0>] (cpu_startup_entry) from [<817f7c74>] (rest_init+0xdc/0xe0 init/main.c:735) [<817f7b98>] (rest_init) from [<82400bb8>] (arch_post_acpi_subsys_init+0x0/0x20 init/main.c:834) [<82400ba8>] (arch_call_rest_init) from [<824012f8>] (start_kernel+0x6e0/0x70c init/main.c:1088) [<82400c18>] (start_kernel) from [<00000000>] (0x0) Code: bad PC value ---[ end trace 0000000000000000 ]---