last executing test programs:

kernel console output (not intermixed with test programs):

[   47.275958][   T29] audit: type=1400 audit(47.200:56): avc:  denied  { read write } for  pid=3089 comm="sftp-server" name="null" dev="devtmpfs" ino=4 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[   47.278182][   T29] audit: type=1400 audit(47.200:57): avc:  denied  { open } for  pid=3089 comm="sftp-server" path="/dev/null" dev="devtmpfs" ino=4 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
Warning: Permanently added '[localhost]:18017' (ED25519) to the list of known hosts.
[   60.661784][   T29] audit: type=1400 audit(60.570:58): avc:  denied  { name_bind } for  pid=3092 comm="sshd-session" src=30000 scontext=system_u:system_r:sshd_t tcontext=system_u:object_r:unreserved_port_t tclass=tcp_socket permissive=1
[   62.476227][   T29] audit: type=1400 audit(62.400:59): avc:  denied  { execute } for  pid=3093 comm="sh" name="syz-executor" dev="vda" ino=805 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1
[   62.507269][   T29] audit: type=1400 audit(62.430:60): avc:  denied  { execute_no_trans } for  pid=3093 comm="sh" path="/syz-executor" dev="vda" ino=805 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:etc_runtime_t tclass=file permissive=1
[   65.519188][   T29] audit: type=1400 audit(65.440:61): avc:  denied  { mounton } for  pid=3093 comm="syz-executor" path="/syzcgroup/unified" dev="vda" ino=806 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1
[   65.527363][   T29] audit: type=1400 audit(65.450:62): avc:  denied  { mount } for  pid=3093 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[   65.540619][ T3093] cgroup: Unknown subsys name 'net'
[   65.548777][   T29] audit: type=1400 audit(65.470:63): avc:  denied  { unmount } for  pid=3093 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1
[   65.710781][ T3093] cgroup: Unknown subsys name 'cpuset'
[   65.718338][ T3093] cgroup: Unknown subsys name 'hugetlb'
[   65.719320][ T3093] cgroup: Unknown subsys name 'rlimit'
[  462.262692][    C0] watchdog: BUG: soft lockup - CPU#0 stuck for 430s! [migration/0:18]
[  462.263011][    C0] Modules linked in:
[  462.263850][    C0] CPU: 0 UID: 0 PID: 18 Comm: migration/0 Not tainted syzkaller #0 PREEMPT 
[  462.264106][    C0] Hardware name: ARM-Versatile Express
[  462.264323][    C0] Stopper: multi_cpu_stop+0x0/0x16c <- __stop_cpus.constprop.0+0x64/0xa4
[  462.265146][    C0] PC is at multi_cpu_stop+0xd8/0x16c
[  462.265203][    C0] LR is at multi_cpu_stop+0xd8/0x16c
[  462.265270][    C0] pc : [<803737ac>]    lr : [<803737ac>]    psr: 60070013
[  462.265316][    C0] sp : df861ed8  ip : df861ed8  fp : df861f0c
[  462.265354][    C0] r10: 00000001  r9 : 00000000  r8 : 00000001
[  462.265399][    C0] r7 : 8280c6d0  r6 : df979cc4  r5 : df979cd8  r4 : 00000001
[  462.265448][    C0] r3 : 00000001  r2 : 00000000  r1 : 00000008  r0 : 8280c6d0
[  462.265573][    C0] Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
[  462.265651][    C0] Control: 30c5387d  Table: 84d30900  DAC: fffffffd
[  462.265762][    C0] Call trace: 
[  462.266061][    C0] [<803736d4>] (multi_cpu_stop) from [<803731b4>] (cpu_stopper_thread+0x90/0x130)
[  462.266397][    C0]  r10:df979c8c r9:83215400 r8:dddc7574 r7:dddc756c r6:803736d4 r5:dddc7568
[  462.266458][    C0]  r4:df979cc4
[  462.266552][    C0] [<80373124>] (cpu_stopper_thread) from [<80288200>] (smpboot_thread_fn+0x108/0x2f0)
[  462.266632][    C0]  r10:00000000 r9:00000000 r8:00000000 r7:00000001 r6:828fd6d0 r5:830c1000
[  462.266655][    C0]  r4:83215400
[  462.266673][    C0] [<802880f8>] (smpboot_thread_fn) from [<8027f6fc>] (kthread+0x12c/0x280)
[  462.266741][    C0]  r9:830c1000 r8:802880f8 r7:df819de0 r6:830bf400 r5:83215400 r4:00000001
[  462.266762][    C0] [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20)
[  462.266922][    C0] Exception stack(0xdf861fb0 to 0xdf861ff8)
[  462.267113][    C0] 1fa0:                                     00000000 00000000 00000000 00000000
[  462.267176][    C0] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  462.267210][    C0] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[  462.267299][    C0]  r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
[  462.267327][    C0]  r4:830c1040
[  462.267639][    C0] Sending NMI from CPU 0 to CPUs 1:
[  462.268396][    C1] NMI backtrace for cpu 1
[  462.268568][    C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT 
[  462.268650][    C1] Hardware name: ARM-Versatile Express
[  462.268693][    C1] PC is at _raw_spin_lock+0x4c/0x58
[  462.268780][    C1] LR is at _raw_spin_lock+0x18/0x58
[  462.268817][    C1] pc : [<81abc000>]    lr : [<81abbfcc>]    psr: 80000113
[  462.268843][    C1] sp : df805d68  ip : df805d68  fp : df805d7c
[  462.268865][    C1] r10: 81c05450  r9 : 840e3e40  r8 : 83e6d688
[  462.268888][    C1] r7 : 840e3f68  r6 : 00000001  r5 : 00000001  r4 : 840e3f68
[  462.268915][    C1] r3 : 00002639  r2 : 0000263a  r1 : 00000000  r0 : 00000001
[  462.268942][    C1] Flags: Nzcv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
[  462.268985][    C1] Control: 30c5387d  Table: 84d30900  DAC: 00000000
[  462.269009][    C1] Call trace: frame pointer underflow
[  462.269143][    C1] [<81abbfb4>] (_raw_spin_lock) from [<809c7b2c>] (gpio_mmio_set+0x44/0x80)
[  462.269235][    C1]  r5:00000001 r4:840e3e40
[  462.269276][    C1] [<809c7ae8>] (gpio_mmio_set) from [<809b82e8>] (gpiochip_set+0x1c/0x44)
[  462.269358][    C1]  r7:00000001 r6:00000000 r5:00000000 r4:840cd300
[  462.269380][    C1] [<809b82cc>] (gpiochip_set) from [<809babb0>] (gpiod_set_raw_value_commit+0x78/0x218)
[  462.269445][    C1] [<809bab38>] (gpiod_set_raw_value_commit) from [<809bc450>] (gpiod_set_value_nocheck+0x44/0x58)
[  462.269518][    C1]  r10:81c05450 r9:df805ebc r8:00000102 r7:ffffa486 r6:00000007 r5:00000001
[  462.269543][    C1]  r4:840cd300
[  462.269563][    C1] [<809bc40c>] (gpiod_set_value_nocheck) from [<809bc4a0>] (gpiod_set_value+0x3c/0x88)
[  462.269616][    C1] [<809bc464>] (gpiod_set_value) from [<809ccc3c>] (gpio_led_set+0x5c/0x60)
[  462.269679][    C1]  r5:84570044 r4:84570044
[  462.269713][    C1] [<809ccbe0>] (gpio_led_set) from [<809ca4d4>] (led_set_brightness_nosleep+0x38/0x44)
[  462.269776][    C1]  r5:84570044 r4:8329f58c
[  462.269799][    C1] [<809ca49c>] (led_set_brightness_nosleep) from [<809cd538>] (led_heartbeat_function+0x84/0x144)
[  462.269859][    C1] [<809cd4b4>] (led_heartbeat_function) from [<80327070>] (call_timer_fn+0x30/0x220)
[  462.269954][    C1]  r7:ffffa486 r6:809cd4b4 r5:8329f58c r4:83216000
[  462.269975][    C1] [<80327040>] (call_timer_fn) from [<80327524>] (__run_timers+0x2c4/0x3f8)
[  462.270058][    C1]  r9:df805ebc r8:ffffa486 r7:00000000 r6:809cd4b4 r5:dddd9f00 r4:8329f58c
[  462.270082][    C1] [<80327260>] (__run_timers) from [<803276c0>] (run_timer_base+0x68/0x78)
[  462.270156][    C1]  r10:83216000 r9:82804d80 r8:00000102 r7:00000001 r6:00000282 r5:00000002
[  462.270181][    C1]  r4:dddd9f00
[  462.270200][    C1] [<80327658>] (run_timer_base) from [<803276ec>] (run_timer_softirq+0x1c/0x34)
[  462.270259][    C1]  r4:82804084
[  462.270279][    C1] [<803276d0>] (run_timer_softirq) from [<8025b65c>] (handle_softirqs+0x140/0x458)
[  462.270344][    C1] [<8025b51c>] (handle_softirqs) from [<8025bad0>] (__irq_exit_rcu+0x110/0x1d0)
[  462.270418][    C1]  r10:00000000 r9:83216000 r8:00000000 r7:df865e08 r6:82443f98 r5:8247f0cc
[  462.270457][    C1]  r4:83216000
[  462.270476][    C1] [<8025b9c0>] (__irq_exit_rcu) from [<8025be48>] (irq_exit+0x10/0x18)
[  462.270534][    C1]  r5:8247f0cc r4:826c3a9c
[  462.270553][    C1] [<8025be38>] (irq_exit) from [<81aada64>] (generic_handle_arch_irq+0x7c/0x80)
[  462.270621][    C1] [<81aad9e8>] (generic_handle_arch_irq) from [<81a7da0c>] (call_with_stack+0x1c/0x20)
[  462.270695][    C1]  r9:83216000 r8:83e6d688 r7:df865e3c r6:ffffffff r5:60000013 r4:809c832c
[  462.270733][    C1] [<81a7d9f0>] (call_with_stack) from [<80200bec>] (__irq_svc+0x8c/0xbc)
[  462.270795][    C1] Exception stack(0xdf865e08 to 0xdf865e50)
[  462.270842][    C1] 5e00:                   e04b6008 0000000c 00002639 00000000 e04b6008 0000000c
[  462.270883][    C1] 5e20: 00000001 840e3f68 83e6d688 840e3e40 00000000 df865e6c df865e58 df865e58
[  462.270913][    C1] 5e40: 809c8328 809c832c 60000013 ffffffff
[  462.270939][    C1] [<809c830c>] (gpio_mmio_write32) from [<809c7b4c>] (gpio_mmio_set+0x64/0x80)
[  462.271014][    C1]  r5:00000008 r4:840e3e40
[  462.271050][    C1] [<809c7ae8>] (gpio_mmio_set) from [<809b82e8>] (gpiochip_set+0x1c/0x44)
[  462.271122][    C1]  r7:00000001 r6:00000000 r5:00000003 r4:840cd33c
[  462.271143][    C1] [<809b82cc>] (gpiochip_set) from [<809babb0>] (gpiod_set_raw_value_commit+0x78/0x218)
[  462.271200][    C1] [<809bab38>] (gpiod_set_raw_value_commit) from [<809bc450>] (gpiod_set_value_nocheck+0x44/0x58)
[  462.271269][    C1]  r10:00000000 r9:00000000 r8:00000001 r7:ddde24c0 r6:8339ead8 r5:00000001
[  462.271297][    C1]  r4:840cd33c
[  462.271314][    C1] [<809bc40c>] (gpiod_set_value_nocheck) from [<809bc4a0>] (gpiod_set_value+0x3c/0x88)
[  462.271367][    C1] [<809bc464>] (gpiod_set_value) from [<809ccc3c>] (gpio_led_set+0x5c/0x60)
[  462.271420][    C1]  r5:000000ff r4:84570314
[  462.271438][    C1] [<809ccbe0>] (gpio_led_set) from [<809ca564>] (led_set_brightness+0x84/0x90)
[  462.271489][    C1]  r5:000000ff r4:84570314
[  462.271505][    C1] [<809ca4e0>] (led_set_brightness) from [<809cc0e4>] (led_trigger_event+0x40/0x58)
[  462.271563][    C1]  r5:000000ff r4:84570314
[  462.271582][    C1] [<809cc0a4>] (led_trigger_event) from [<809cd740>] (ledtrig_cpu+0xac/0xf4)
[  462.271643][    C1]  r7:ddde24c0 r6:00000002 r5:82b15cd8 r4:000001fd
[  462.271661][    C1] [<809cd694>] (ledtrig_cpu) from [<80227a38>] (arch_cpu_idle_exit+0x14/0x18)
[  462.271735][    C1]  r9:00000000 r8:00000001 r7:8280c710 r6:83216000 r5:8280c6d0 r4:00000001
[  462.271758][    C1] [<80227a24>] (arch_cpu_idle_exit) from [<802b168c>] (do_idle+0x5c/0x2d8)
[  462.271824][    C1] [<802b1630>] (do_idle) from [<802b1c38>] (cpu_startup_entry+0x30/0x34)
[  462.271900][    C1]  r10:00000000 r9:414fc0f0 r8:80003000 r7:82a7b4a4 r6:83216000 r5:00000001
[  462.271929][    C1]  r4:00000092
[  462.271950][    C1] [<802b1c08>] (cpu_startup_entry) from [<8022f360>] (secondary_start_kernel+0x128/0x194)
[  462.272016][    C1] [<8022f238>] (secondary_start_kernel) from [<80220094>] (__enable_mmu+0x0/0xc)
[  462.272117][    C1]  r7:82a7b4a4 r6:30c0387d r5:00000000 r4:830b7bc0
[  462.273843][    C0] Kernel panic - not syncing: softlockup: hung tasks
[  462.299585][    C0] CPU: 0 UID: 0 PID: 18 Comm: migration/0 Tainted: G             L      syzkaller #0 PREEMPT 
[  462.300061][    C0] Tainted: [L]=SOFTLOCKUP
[  462.300280][    C0] Hardware name: ARM-Versatile Express
[  462.300491][    C0] Stopper: multi_cpu_stop+0x0/0x16c <- __stop_cpus.constprop.0+0x64/0xa4
[  462.300849][    C0] Call trace: frame pointer underflow
[  462.301206][    C0] [<80201a74>] (dump_backtrace) from [<80201b70>] (show_stack+0x18/0x1c)
[  462.301548][    C0]  r7:822965a4 r6:83215400 r5:00000000 r4:82295754
[  462.301770][    C0] [<80201b58>] (show_stack) from [<8021ee08>] (dump_stack_lvl+0x54/0x7c)
[  462.308067][    C0] [<8021edb4>] (dump_stack_lvl) from [<8021ee48>] (dump_stack+0x18/0x1c)
[  462.308428][    C0]  r5:00000000 r4:82a7bd14
[  462.308586][    C0] [<8021ee30>] (dump_stack) from [<80202648>] (vpanic+0xe0/0x2e8)
[  462.308887][    C0] [<80202568>] (vpanic) from [<80202884>] (trace_suspend_resume+0x0/0xd8)
[  462.309187][    C0]  r7:82ac27f8
[  462.309349][    C0] [<80202850>] (panic) from [<80383fcc>] (watchdog_timer_fn+0x2dc/0x350)
[  462.309658][    C0]  r3:00000001 r2:00004000 r1:82a7bd1c r0:822965a4
[  462.309897][    C0] [<80383cf0>] (watchdog_timer_fn) from [<80329c64>] (__hrtimer_run_queues+0x1c4/0x454)
[  462.310276][    C0]  r10:83215400 r9:00000000 r8:dddc7130 r7:80383cf0 r6:dddc7000 r5:dddc7040
[  462.310542][    C0]  r4:dddc75d8
[  462.310693][    C0] [<80329aa0>] (__hrtimer_run_queues) from [<8032b268>] (hrtimer_interrupt+0x148/0x2bc)
[  462.311103][    C0]  r10:9caf3ba0 r9:dddc7180 r8:dddc7130 r7:0000006b r6:00000003 r5:20070193
[  462.311376][    C0]  r4:dddc7000
[  462.311517][    C0] [<8032b120>] (hrtimer_interrupt) from [<813409e8>] (arch_timer_handler_virt+0x30/0x38)
[  462.311848][    C0]  r10:81d0fc78 r9:8309e400 r8:00000000 r7:00000000 r6:00000000 r5:82498528
[  462.312325][    C0]  r4:8309de40
[  462.312490][    C0] [<813409b8>] (arch_timer_handler_virt) from [<802efab4>] (handle_percpu_devid_irq+0x128/0x34c)
[  462.312978][    C0] [<802ef98c>] (handle_percpu_devid_irq) from [<802e8c44>] (handle_irq_desc+0x74/0x84)
[  462.313365][    C0]  r10:00000001 r9:83215400 r8:00000000 r7:df80a00c r6:826c2388 r5:df80a000
[  462.313632][    C0]  r4:8280cc44
[  462.313783][    C0] [<802e8bd0>] (handle_irq_desc) from [<802e8cc0>] (generic_handle_domain_irq+0x18/0x1c)
[  462.314135][    C0] [<802e8ca8>] (generic_handle_domain_irq) from [<802012c8>] (gic_handle_irq+0x68/0x7c)
[  462.314459][    C0] [<80201260>] (gic_handle_irq) from [<81aada48>] (generic_handle_arch_irq+0x60/0x80)
[  462.314789][    C0]  r7:df861e88 r6:82443f98 r5:8247f0cc r4:826c3a9c
[  462.315001][    C0] [<81aad9e8>] (generic_handle_arch_irq) from [<81a7da0c>] (call_with_stack+0x1c/0x20)
[  462.315377][    C0]  r9:83215400 r8:00000001 r7:df861ebc r6:ffffffff r5:60070013 r4:803737ac
[  462.315636][    C0] [<81a7d9f0>] (call_with_stack) from [<80200bec>] (__irq_svc+0x8c/0xbc)
[  462.315928][    C0] Exception stack(0xdf861e88 to 0xdf861ed0)
[  462.316147][    C0] 1e80:                   8280c6d0 00000008 00000000 00000001 00000001 df979cd8
[  462.316440][    C0] 1ea0: df979cc4 8280c6d0 00000001 00000000 00000001 df861f0c df861ed8 df861ed8
[  462.316710][    C0] 1ec0: 803737ac 803737ac 60070013 ffffffff
[  462.316909][    C0] [<803736d4>] (multi_cpu_stop) from [<803731b4>] (cpu_stopper_thread+0x90/0x130)
[  462.317248][    C0]  r10:df979c8c r9:83215400 r8:dddc7574 r7:dddc756c r6:803736d4 r5:dddc7568
[  462.317510][    C0]  r4:df979cc4
[  462.317654][    C0] [<80373124>] (cpu_stopper_thread) from [<80288200>] (smpboot_thread_fn+0x108/0x2f0)
[  462.318023][    C0]  r10:00000000 r9:00000000 r8:00000000 r7:00000001 r6:828fd6d0 r5:830c1000
[  462.318302][    C0]  r4:83215400
[  462.318451][    C0] [<802880f8>] (smpboot_thread_fn) from [<8027f6fc>] (kthread+0x12c/0x280)
[  462.318771][    C0]  r9:830c1000 r8:802880f8 r7:df819de0 r6:830bf400 r5:83215400 r4:00000001
[  462.319031][    C0] [<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20)
[  462.319320][    C0] Exception stack(0xdf861fb0 to 0xdf861ff8)
[  462.319532][    C0] 1fa0:                                     00000000 00000000 00000000 00000000
[  462.319800][    C0] 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[  462.320076][    C0] 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[  462.320336][    C0]  r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
[  462.320585][    C0]  r4:830c1040
[  462.322745][    C0] Rebooting in 86400 seconds..