INFO: task kworker/0:1:9 blocked for more than 450 seconds.
      Not tainted 6.8.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1     state:D stack:0     pid:9     tgid:9     ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:df83ddac r5:82e6e000
 r4:82e6e000
[<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:82e6e000 r4:8270dd74
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16005 r9:df83de38 r8:00000000 r7:ffffffff r6:00000000 r5:84a15740
 r4:00000000
[<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84a15740
 r4:00000000
[<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:82e6e000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f125000
[<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:e006f000
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:8493df50 r4:8493dc00
[<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:dddd1280 r6:82c16000 r5:8493df50 r4:82c0bc00
[<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline])
[<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787)
 r10:61c88647 r9:82e6e000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:82c0bc2c
 r4:82c0bc00
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df839e90 r8:82cb66c0 r7:82c0bc00 r6:8026736c r5:82e6e000
 r4:82cb6040
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf83dfb0 to 0xdf83dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:82cb6040
INFO: task kworker/1:1:29 blocked for more than 450 seconds.
      Not tainted 6.8.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:D stack:0     pid:29    tgid:29    ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df891dac r5:82e7ec00
 r4:82e7ec00
[<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:82e7ec00 r4:8270dd74
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:df891e38 r8:00000000 r7:ffffffff r6:00000000 r5:8496fd80
 r4:00000000
[<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8496fd80
 r4:00000000
[<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:82e7ec00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f0e9000
[<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:dfd8d000
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:8478ef50 r4:8478ec00
[<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:ddde4280 r6:82c16200 r5:8478ef50 r4:82ea0080
[<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline])
[<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787)
 r10:61c88647 r9:82e7ec00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:82ea00ac
 r4:82ea0080
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df875e90 r8:82f23500 r7:82ea0080 r6:8026736c r5:82e7ec00
 r4:82e679c0
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf891fb0 to 0xdf891ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:82e679c0
INFO: task kworker/1:0:2989 blocked for more than 450 seconds.
      Not tainted 6.8.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:0     state:D stack:0     pid:2989  tgid:2989  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df955dac r5:83fa6c00
 r4:83fa6c00
[<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:83fa6c00 r4:8270dd74
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:df955e38 r8:00000000 r7:ffffffff r6:00000000 r5:848262c0
 r4:00000000
[<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:848262c0
 r4:00000000
[<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:83fa6c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f035000
[<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:df9f7000
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:8478c750 r4:8478c400
[<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:ddde4280 r6:82c16200 r5:8478c750 r4:83cb4280
[<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline])
[<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787)
 r10:61c88647 r9:83fa6c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:83cb42ac
 r4:83cb4280
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df891e90 r8:845a0200 r7:83cb4280 r6:8026736c r5:83fa6c00
 r4:845a0680
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf955fb0 to 0xdf955ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:845a0680
INFO: task kworker/0:2:2993 blocked for more than 450 seconds.
      Not tainted 6.8.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2     state:D stack:0     pid:2993  tgid:2993  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:eb45ddac r5:83fa4800
 r4:83fa4800
[<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:83fa4800 r4:8270dd74
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16005 r9:eb45de38 r8:00000000 r7:ffffffff r6:00000000 r5:84a15600
 r4:00000000
[<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84a15600
 r4:00000000
[<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:83fa4800 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f123000
[<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:e0043000
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:8493db50 r4:8493d800
[<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:dddd1280 r6:82c16000 r5:8493db50 r4:8437c700
[<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline])
[<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787)
 r10:61c88647 r9:83fa4800 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8437c72c
 r4:8437c700
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df83de90 r8:845a00c0 r7:8437c700 r6:8026736c r5:83fa4800
 r4:83d8abc0
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xeb45dfb0 to 0xeb45dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:83d8abc0
INFO: task kworker/1:3:3004 blocked for more than 450 seconds.
      Not tainted 6.8.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3     state:D stack:0     pid:3004  tgid:3004  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df975dac r5:836ea400
 r4:836ea400
[<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:836ea400 r4:8270dd74
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:df975e38 r8:00000000 r7:ffffffff r6:00000000 r5:84ae8c80
 r4:00000000
[<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ae8c80
 r4:00000000
[<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:836ea400 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f0b9000
[<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:df983000
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:84999f50 r4:84999c00
[<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:ddde4280 r6:82c16200 r5:84999f50 r4:83cb4300
[<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline])
[<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787)
 r10:61c88647 r9:836ea400 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:83cb432c
 r4:83cb4300
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df891e90 r8:84435600 r7:83cb4300 r6:8026736c r5:836ea400
 r4:84435500
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf975fb0 to 0xdf975ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:84435500
INFO: task kworker/1:4:3005 blocked for more than 450 seconds.
      Not tainted 6.8.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4     state:D stack:0     pid:3005  tgid:3005  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df94ddac r5:836ee000
 r4:836ee000
[<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:836ee000 r4:8270dd74
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:df94de38 r8:00000000 r7:ffffffff r6:00000000 r5:84a541c0
 r4:00000000
[<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84a541c0
 r4:00000000
[<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:836ee000 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f16b000
[<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:eaf51000
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:84998b50 r4:84998800
[<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:ddde4280 r6:82c16200 r5:84998b50 r4:83cb4380
[<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline])
[<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787)
 r10:61c88647 r9:836ee000 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:83cb43ac
 r4:83cb4380
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df975e90 r8:84435900 r7:83cb4380 r6:8026736c r5:836ee000
 r4:84435500
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf94dfb0 to 0xdf94dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:84435500
INFO: task kworker/1:5:3008 blocked for more than 450 seconds.
      Not tainted 6.8.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5     state:D stack:0     pid:3008  tgid:3008  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df995dac r5:83d66c00
 r4:83d66c00
[<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:83d66c00 r4:8270dd74
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:df995e38 r8:00000000 r7:ffffffff r6:00000000 r5:84b44480
 r4:00000000
[<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84b44480
 r4:00000000
[<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:83d66c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f043000
[<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:df9af000
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:849a4b50 r4:849a4800
[<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:ddde4280 r6:82c16200 r5:849a4b50 r4:83cb4400
[<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline])
[<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787)
 r10:61c88647 r9:83d66c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:83cb442c
 r4:83cb4400
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df975e90 r8:83cbabc0 r7:83cb4400 r6:8026736c r5:83d66c00
 r4:842506c0
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf995fb0 to 0xdf995ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:842506c0
INFO: task kworker/1:6:3010 blocked for more than 450 seconds.
      Not tainted 6.8.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:6     state:D stack:0     pid:3010  tgid:3010  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df9b9dac r5:83d63000
 r4:83d63000
[<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:83d63000 r4:8270dd74
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:df9b9e38 r8:00000000 r7:ffffffff r6:00000000 r5:84c053c0
 r4:00000000
[<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c053c0
 r4:00000000
[<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:83d63000 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f2bf000
[<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:eb5b9000
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:849a7b50 r4:849a7800
[<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:ddde4280 r6:82c16200 r5:849a7b50 r4:83cb4480
[<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline])
[<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787)
 r10:61c88647 r9:83d63000 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:83cb44ac
 r4:83cb4480
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df995e90 r8:83edf580 r7:83cb4480 r6:8026736c r5:83d63000
 r4:8404c440
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf9b9fb0 to 0xdf9b9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:8404c440
INFO: task kworker/1:7:3011 blocked for more than 450 seconds.
      Not tainted 6.8.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:7     state:D stack:0     pid:3011  tgid:3011  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df99ddac r5:83fa6000
 r4:83fa6000
[<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:83fa6000 r4:8270dd74
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:df99de38 r8:00000000 r7:ffffffff r6:00000000 r5:84378640
 r4:00000000
[<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84378640
 r4:00000000
[<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:83fa6000 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f0f1000
[<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:dfea1000
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:849a6750 r4:849a6400
[<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:ddde4280 r6:82c16200 r5:849a6750 r4:83cb4500
[<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline])
[<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787)
 r10:61c88647 r9:83fa6000 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:83cb452c
 r4:83cb4500
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df9b9e90 r8:83e7cd00 r7:83cb4500 r6:8026736c r5:83fa6000
 r4:82f8b380
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf99dfb0 to 0xdf99dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:82f8b380
INFO: task kworker/1:8:3014 blocked for more than 450 seconds.
      Not tainted 6.8.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:8     state:D stack:0     pid:3014  tgid:3014  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:df9c5dac r5:83d6c800
 r4:83d6c800
[<81858610>] (schedule) from [<81858c08>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:83d6c800 r4:8270dd74
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bf0>] (schedule_preempt_disabled) from [<8185b4f0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b208>] (__mutex_lock.constprop.0) from [<8185bdbc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:df9c5e38 r8:00000000 r7:ffffffff r6:00000000 r5:84a10100
 r4:00000000
[<8185bda8>] (__mutex_lock_slowpath) from [<8185bdfc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bdc0>] (mutex_lock) from [<8048dedc>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048de7c>] (_vm_unmap_aliases) from [<80491a7c>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84a10100
 r4:00000000
[<8049190c>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:83d6c800 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f35b000
[<802ea434>] (module_memfree) from [<80388ac4>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:eb7b1000
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388ab4>] (bpf_jit_free_exec) from [<80388c84>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c1c>] (bpf_jit_free) from [<80389d64>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:84c43f50 r4:84c43c00
[<80389c18>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:ddde4280 r6:82c16200 r5:84c43f50 r4:83cb4580
[<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline])
[<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787)
 r10:61c88647 r9:83d6c800 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:83cb45ac
 r4:83cb4580
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df9b9e90 r8:82cc7700 r7:83cb4580 r6:8026736c r5:83d6c800
 r4:82cc7680
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf9c5fb0 to 0xdf9c5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:82cc7680
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
NMI backtrace for cpu 1
CPU: 1 PID: 31 Comm: khungtaskd Not tainted 6.8.0-rc1-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: 
[<818365ac>] (dump_backtrace) from [<818366a8>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256)
 r7:00000000 r6:00000113 r5:60000193 r4:81fbd200
[<81836690>] (show_stack) from [<81853b9c>] (__dump_stack lib/dump_stack.c:88 [inline])
[<81836690>] (show_stack) from [<81853b9c>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<81853b54>] (dump_stack_lvl) from [<81853bc0>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
 r5:00000001 r4:00000001
[<81853ba8>] (dump_stack) from [<818239d8>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113)
[<81823878>] (nmi_cpu_backtrace) from [<81823b24>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62)
 r7:00000001 r6:8260c494 r5:8261a7d8 r4:ffffffff
[<818239f4>] (nmi_trigger_cpumask_backtrace) from [<80210574>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851)
 r9:00000001 r8:82894eb8 r7:8260c5ec r6:00007d6a r5:8261adc8 r4:849ac52c
[<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e2c>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline])
[<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e2c>] (check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline])
[<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e2c>] (watchdog+0x48c/0x59c kernel/hung_task.c:379)
[<803479a0>] (watchdog) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df819e58 r8:82f23700 r7:00000000 r6:803479a0 r5:82e90c00
 r4:82ec7780
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf8ddfb0 to 0xdf8ddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:82ec7780
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2797 Comm: klogd Not tainted 6.8.0-rc1-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at kmap_local_sched_in kernel/sched/core.c:5180 [inline]
PC is at finish_task_switch+0x8c/0x294 kernel/sched/core.c:5282
LR is at __raw_spin_unlock include/linux/spinlock_api_smp.h:143 [inline]
LR is at _raw_spin_unlock+0x2c/0x50 kernel/locking/spinlock.c:186
pc : [<8027b490>]    lr : [<81860b18>]    psr: 20000013
sp : ec609cb0  ip : ec609ca0  fp : ec609cf4
r10: 00000000  r9 : 84188000  r8 : 8418d400
r7 : a3ec4f50  r6 : 81857e08  r5 : dddd1600  r4 : 00000000
r3 : 84188000  r2 : 00000001  r1 : 81fbd200  r0 : 00000001
Flags: nzCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 30c5387d  Table: 84258c80  DAC: fffffffd
Backtrace: 
[<8027b404>] (finish_task_switch) from [<81857e08>] (context_switch kernel/sched/core.c:5403 [inline])
[<8027b404>] (finish_task_switch) from [<81857e08>] (__schedule+0x404/0xc0c kernel/sched/core.c:6727)
 r10:00000000 r9:843d1200 r8:47ebac35 r7:a3ec4f50 r6:84188000 r5:dddd1600
 r4:8418d400
[<81857a04>] (__schedule) from [<8185863c>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<81857a04>] (__schedule) from [<8185863c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:00000000 r9:84188000 r8:84130f00 r7:84188000 r6:8412f880 r5:00000000
 r4:84188000
[<81858610>] (schedule) from [<8185fbe4>] (schedule_timeout+0xe4/0x114 kernel/time/timer.c:2159)
 r5:00000000 r4:7fffffff
[<8185fb00>] (schedule_timeout) from [<815f0a3c>] (unix_wait_for_peer+0xcc/0xd8 net/unix/af_unix.c:1474)
 r7:8412f600 r6:8412f880 r5:8412f600 r4:7fffffff
[<815f0970>] (unix_wait_for_peer) from [<815f5b08>] (unix_dgram_sendmsg+0x97c/0x9e8 net/unix/af_unix.c:2078)
 r6:00000074 r5:83052280 r4:ec609e98
[<815f518c>] (unix_dgram_sendmsg) from [<8134c098>] (sock_sendmsg_nosec net/socket.c:730 [inline])
[<815f518c>] (unix_dgram_sendmsg) from [<8134c098>] (__sock_sendmsg+0x44/0x78 net/socket.c:745)
 r10:00000121 r9:84188000 r8:00000003 r7:83052280 r6:83052280 r5:ec609e98
 r4:00000000
[<8134c054>] (__sock_sendmsg) from [<8134e3a8>] (__sys_sendto+0x108/0x14c net/socket.c:2191)
 r7:83052280 r6:00000000 r5:00004000 r4:00000000
[<8134e2a0>] (__sys_sendto) from [<8134e430>] (__do_sys_send net/socket.c:2213 [inline])
[<8134e2a0>] (__sys_sendto) from [<8134e430>] (sys_send+0x20/0x28 net/socket.c:2210)
 r8:80200288 r7:00000121 r6:76f585a0 r5:76f585a0 r4:015b61a8
[<8134e410>] (sys_send) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66)
Exception stack(0xec609fa8 to 0xec609ff0)
9fa0:                   015b61a8 76f585a0 00000003 015bd780 00000074 00004000
9fc0: 015b61a8 76f585a0 76f585a0 00000121 00000000 00000013 76e20e60 015bd783
9fe0: 00000000 7e949bc8 76da8460 76dad918