INFO: task kworker/0:5:8248 blocked for more than 430 seconds.
      Not tainted 6.8.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5     state:D stack:0     pid:8248  tgid:8248  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:eb801dac r5:84232400
 r4:84232400
[<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:84232400 r4:8270dd74
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16005 r9:eb801e38 r8:00000000 r7:ffffffff r6:00000000 r5:84fefc00
 r4:00000000
[<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84fefc00
 r4:00000000
[<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:84232400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f045000
[<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:dfecd000
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:8511bf50 r4:8511bc00
[<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:dddd1280 r6:82c16000 r5:8511bf50 r4:850c8600
[<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 r9:84232400 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:850c862c
 r4:850c8600
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df839e90 r8:850f02c0 r7:850c8600 r6:8026736c r5:84232400
 r4:850ed400
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xeb801fb0 to 0xeb801ff8)
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 r4:850ed400
INFO: task kworker/1:1:10693 blocked for more than 430 seconds.
      Not tainted 6.8.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:D stack:0     pid:10693 tgid:10693 ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:ecdd1dac r5:83e40c00
 r4:83e40c00
[<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:83e40c00 r4:8270dd74
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:ecdd1e38 r8:00000000 r7:ffffffff r6:00000000 r5:8401d1c0
 r4:00000000
[<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8401d1c0
 r4:00000000
[<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:83e40c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f05d000
[<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:dfb79000
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:845c6f50 r4:845c6c00
[<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:ddde4280 r6:82c16200 r5:845c6f50 r4:8524bf80
[<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 r9:83e40c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:8524bfac
 r4:8524bf80
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df875e90 r8:850c48c0 r7:8524bf80 r6:8026736c r5:83e40c00
 r4:850c4b80
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xecdd1fb0 to 0xecdd1ff8)
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 r4:850c4b80
INFO: task kworker/1:5:25184 blocked for more than 430 seconds.
      Not tainted 6.8.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5     state:D stack:0     pid:25184 tgid:25184 ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:e0871dac r5:84245400
 r4:84245400
[<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:84245400 r4:8270dd74
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:e0871e38 r8:00000000 r7:ffffffff r6:00000000 r5:84eeeac0
 r4:00000000
[<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84eeeac0
 r4:00000000
[<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:84245400 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f063000
[<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:dfc0b000
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:84f19f50 r4:84f19c00
[<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:ddde4280 r6:82c16200 r5:84f19f50 r4:84795d80
[<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 r9:84245400 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84795dac
 r4:84795d80
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df97de90 r8:8469e380 r7:84795d80 r6:8026736c r5:84245400
 r4:8500f9c0
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xe0871fb0 to 0xe0871ff8)
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 r4:8500f9c0
INFO: task kworker/1:6:25503 blocked for more than 430 seconds.
      Not tainted 6.8.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:6     state:D stack:0     pid:25503 tgid:25503 ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:e06e1dac r5:84f6bc00
 r4:84f6bc00
[<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:84f6bc00 r4:8270dd74
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:e06e1e38 r8:00000000 r7:ffffffff r6:00000000 r5:85022f40
 r4:00000000
[<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85022f40
 r4:00000000
[<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:84f6bc00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f05b000
[<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:dfb4d000
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:845c7b50 r4:845c7800
[<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:ddde4280 r6:82c16200 r5:845c7b50 r4:84773280
[<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 r9:84f6bc00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:847732ac
 r4:84773280
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:ebb39e90 r8:84de8600 r7:84773280 r6:8026736c r5:84f6bc00
 r4:84de8300
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xe06e1fb0 to 0xe06e1ff8)
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 r4:84de8300
INFO: task kworker/1:7:25505 blocked for more than 430 seconds.
      Not tainted 6.8.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:7     state:D stack:0     pid:25505 tgid:25505 ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:dfd25dac r5:84f68000
 r4:84f68000
[<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:84f68000 r4:8270dd74
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:dfd25e38 r8:00000000 r7:ffffffff r6:00000000 r5:84e7d8c0
 r4:00000000
[<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e7d8c0
 r4:00000000
[<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:84f68000 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f04f000
[<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:df9d7000
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:84d43f50 r4:84d43c00
[<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:ddde4280 r6:82c16200 r5:84d43f50 r4:84773180
[<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 r9:84f68000 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:847731ac
 r4:84773180
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:ebb39e90 r8:84de8200 r7:84773180 r6:8026736c r5:84f68000
 r4:84de86c0
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdfd25fb0 to 0xdfd25ff8)
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 r4:84de86c0
INFO: task kworker/1:8:25514 blocked for more than 430 seconds.
      Not tainted 6.8.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:8     state:D stack:0     pid:25514 tgid:25514 ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:e07d5dac r5:840c2400
 r4:840c2400
[<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:840c2400 r4:8270dd74
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:e07d5e38 r8:00000000 r7:ffffffff r6:00000000 r5:84772940
 r4:00000000
[<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84772940
 r4:00000000
[<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:840c2400 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f059000
[<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:dfb19000
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:845c7750 r4:845c7400
[<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:ddde4280 r6:82c16200 r5:845c7750 r4:84773300
[<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 r9:840c2400 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:8477332c
 r4:84773300
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:ebb39e90 r8:84e76100 r7:84773300 r6:8026736c r5:840c2400
 r4:84de8ec0
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xe07d5fb0 to 0xe07d5ff8)
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 r4:84de8ec0
INFO: task kworker/1:9:25518 blocked for more than 430 seconds.
      Not tainted 6.8.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:9     state:D stack:0     pid:25518 tgid:25518 ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:e07d1dac r5:84246c00
 r4:84246c00
[<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:84246c00 r4:8270dd74
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:e07d1e38 r8:00000000 r7:ffffffff r6:00000000 r5:84eeef80
 r4:00000000
[<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84eeef80
 r4:00000000
[<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:84246c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f055000
[<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:dfa9f000
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:845c7f50 r4:845c7c00
[<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:ddde4280 r6:82c16200 r5:845c7f50 r4:84773500
[<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 r9:84246c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:8477352c
 r4:84773500
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:ebb39e90 r8:8478f2c0 r7:84773500 r6:8026736c r5:84246c00
 r4:8501ac80
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xe07d1fb0 to 0xe07d1ff8)
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 r4:8501ac80
INFO: task kworker/1:10:25523 blocked for more than 430 seconds.
      Not tainted 6.8.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:10    state:D stack:0     pid:25523 tgid:25523 ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:e07c5dac r5:84246000
 r4:84246000
[<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:84246000 r4:8270dd74
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:e07c5e38 r8:00000000 r7:ffffffff r6:00000000 r5:859a6700
 r4:00000000
[<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859a6700
 r4:00000000
[<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:84246000 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f051000
[<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:dfa1b000
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:84f19b50 r4:84f19800
[<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:ddde4280 r6:82c16200 r5:84f19b50 r4:84773100
[<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 r9:84246000 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:8477312c
 r4:84773100
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:ebb39e90 r8:85265700 r7:84773100 r6:8026736c r5:84246000
 r4:85265e40
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xe07c5fb0 to 0xe07c5ff8)
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 r4:85265e40
INFO: task kworker/1:11:25527 blocked for more than 430 seconds.
      Not tainted 6.8.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:11    state:D stack:0     pid:25527 tgid:25527 ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:e0861dac r5:84240c00
 r4:84240c00
[<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:84240c00 r4:8270dd74
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:e0861e38 r8:00000000 r7:ffffffff r6:00000000 r5:8476c400
 r4:00000000
[<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8476c400
 r4:00000000
[<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:84240c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f061000
[<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:dfbeb000
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:84f3fb50 r4:84f3f800
[<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:ddde4280 r6:82c16200 r5:84f3fb50 r4:84773f80
[<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 r9:84240c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84773fac
 r4:84773f80
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:ebb39e90 r8:84ef5280 r7:84773f80 r6:8026736c r5:84240c00
 r4:84ef5a40
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xe0861fb0 to 0xe0861ff8)
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 r4:84ef5a40
INFO: task kworker/1:12:25536 blocked for more than 430 seconds.
      Not tainted 6.8.0-rc2-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:12    state:D stack:0     pid:25536 tgid:25536 ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<818579c4>] (__schedule) from [<818585fc>] (__schedule_loop kernel/sched/core.c:6802 [inline])
[<818579c4>] (__schedule) from [<818585fc>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817)
 r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:e08e1dac r5:84735400
 r4:84735400
[<818585d0>] (schedule) from [<81858bc8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874)
 r5:84735400 r4:8270dd74
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<81858bb0>] (schedule_preempt_disabled) from [<8185b4b0>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<8185b1c8>] (__mutex_lock.constprop.0) from [<8185bd7c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:e08e1e38 r8:00000000 r7:ffffffff r6:00000000 r5:850f0b40
 r4:00000000
[<8185bd68>] (__mutex_lock_slowpath) from [<8185bdbc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<8185bd80>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850f0b40
 r4:00000000
[<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:84735400 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f053000
[<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048)
 r5:00001000 r4:dfa43000
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline])
[<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218)
[<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772)
 r5:845c7350 r4:845c7000
[<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633)
 r7:ddde4280 r6:82c16200 r5:845c7350 r4:84773400
[<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 r9:84735400 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:8477342c
 r4:84773400
[<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:ebb39e90 r8:850c3f40 r7:84773400 r6:8026736c r5:84735400
 r4:850c3100
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xe08e1fb0 to 0xe08e1ff8)
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 r4:850c3100
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
NMI backtrace for cpu 0
CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.8.0-rc2-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: 
[<8183656c>] (dump_backtrace) from [<81836668>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256)
 r7:00000000 r6:00000013 r5:60000093 r4:81fbd330
[<81836650>] (show_stack) from [<81853b5c>] (__dump_stack lib/dump_stack.c:88 [inline])
[<81836650>] (show_stack) from [<81853b5c>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<81853b14>] (dump_stack_lvl) from [<81853b80>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
 r5:00000000 r4:00000001
[<81853b68>] (dump_stack) from [<81823998>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113)
[<81823838>] (nmi_cpu_backtrace) from [<81823ae4>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62)
 r7:00000000 r6:8260c494 r5:8261a7d8 r4:ffffffff
[<818239b4>] (nmi_trigger_cpumask_backtrace) from [<80210574>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851)
 r9:827d8cdf r8:82894eb8 r7:8260c5ec r6:00007d42 r5:8261adc8 r4:854c452c
[<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e54>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline])
[<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e54>] (check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline])
[<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e54>] (watchdog+0x48c/0x59c kernel/hung_task.c:379)
[<803479c8>] (watchdog) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df819e58 r8:82e67400 r7:00000000 r6:803479c8 r5:82ee8c00
 r4:82f45900
[<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf8d9fb0 to 0xdf8d9ff8)
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 r4:82f45900
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 22790 Comm: syz-executor.1 Not tainted 6.8.0-rc2-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at 0x16900
LR is at 0x16900
pc : [<00016900>]    lr : [<00016900>]    psr: 20000010
sp : 200006d0  ip : 200006d0  fp : 76bb00fc
r10: 003d0f00  r9 : 7ed3f32f  r8 : 7ed3f32e
r7 : 00000000  r6 : 00000000  r5 : 00000000  r4 : 00000000
r3 : 00000000  r2 : 000001b0  r1 : 00000004  r0 : ffffffff
Flags: nzCv  IRQs on  FIQs on  Mode USER_32  ISA ARM  Segment none
Control: 30c5387d  Table: 859a6580  DAC: 00000000
Backtrace: invalid frame pointer 0x76bb00fc