INFO: task kworker/1:3:92 blocked for more than 430 seconds.
      Not tainted 6.6.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:3     state:D stack:0     pid:92    ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<8183eb28>] (__schedule) from [<8183f790>] (schedule+0x5c/0xac kernel/sched/core.c:6771)
 r10:82c16205 r9:00000000 r8:8270d5f4 r7:00000002 r6:df9a1da4 r5:83635240
 r4:83635240
[<8183f734>] (schedule) from [<8183fcd4>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6830)
 r5:83635240 r4:8270d5f0
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<818422d4>] (__mutex_lock.constprop.0) from [<81842e88>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
 r10:82c16205 r9:df9a1e30 r8:00000000 r7:ffffffff r6:00000000 r5:896952c0
 r4:00000000
[<81842e74>] (__mutex_lock_slowpath) from [<81842ec8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81842e8c>] (mutex_lock) from [<80482784>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vfree+0x180/0x1f0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:896952c0
 r4:00000000
[<804861d4>] (vfree) from [<802e81e4>] (module_memfree+0x40/0x60 kernel/module/main.c:1189)
 r9:895f0800 r8:00000000 r7:00000000 r6:82c16200 r5:00001000 r4:7f0f3000
[<802e81a4>] (module_memfree) from [<80384244>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1015)
 r5:00001000 r4:dfdb3000
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_binary_free kernel/bpf/core.c:1061 [inline])
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1186)
[<8038439c>] (bpf_jit_free) from [<80384608>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2736)
 r5:895f0b44 r4:836b2280
[<80384480>] (bpf_prog_free_deferred) from [<80265fd4>] (process_one_work+0x19c/0x4a8 kernel/workqueue.c:2630)
 r9:83635240 r8:00000080 r7:ddde52c0 r6:82c16200 r5:895f0b44 r4:836b2280
[<80265e38>] (process_one_work) from [<80266520>] (process_scheduled_works kernel/workqueue.c:2703 [inline])
[<80265e38>] (process_one_work) from [<80266520>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784)
 r10:61c88647 r9:83635240 r8:ddde52e0 r7:82604d40 r6:ddde52c0 r5:836b22ac
 r4:836b2280
[<802662e0>] (worker_thread) from [<8026d8e0>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df991e98 r8:8345e540 r7:836b2280 r6:802662e0 r5:83635240
 r4:835b8e80
[<8026d7dc>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf9a1fb0 to 0xdf9a1ff8)
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 r5:8026d7dc r4:835b8e80
INFO: task kworker/1:4:3616 blocked for more than 430 seconds.
      Not tainted 6.6.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4     state:D stack:0     pid:3616  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<8183eb28>] (__schedule) from [<8183f790>] (schedule+0x5c/0xac kernel/sched/core.c:6771)
 r10:82c16205 r9:00000000 r8:8270d5f4 r7:00000002 r6:dfe0dda4 r5:83f53ac0
 r4:83f53ac0
[<8183f734>] (schedule) from [<8183fcd4>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6830)
 r5:83f53ac0 r4:8270d5f0
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<818422d4>] (__mutex_lock.constprop.0) from [<81842e88>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
 r10:82c16205 r9:dfe0de30 r8:00000000 r7:ffffffff r6:00000000 r5:89695540
 r4:00000000
[<81842e74>] (__mutex_lock_slowpath) from [<81842ec8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81842e8c>] (mutex_lock) from [<80482784>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vfree+0x180/0x1f0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:89695540
 r4:00000000
[<804861d4>] (vfree) from [<802e81e4>] (module_memfree+0x40/0x60 kernel/module/main.c:1189)
 r9:895f1000 r8:00000000 r7:00000000 r6:82c16200 r5:00001000 r4:7f0f7000
[<802e81a4>] (module_memfree) from [<80384244>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1015)
 r5:00001000 r4:dfdbf000
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_binary_free kernel/bpf/core.c:1061 [inline])
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1186)
[<8038439c>] (bpf_jit_free) from [<80384608>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2736)
 r5:895f1344 r4:89384980
[<80384480>] (bpf_prog_free_deferred) from [<80265fd4>] (process_one_work+0x19c/0x4a8 kernel/workqueue.c:2630)
 r9:83f53ac0 r8:00000080 r7:ddde52c0 r6:82c16200 r5:895f1344 r4:89384980
[<80265e38>] (process_one_work) from [<80266520>] (process_scheduled_works kernel/workqueue.c:2703 [inline])
[<80265e38>] (process_one_work) from [<80266520>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784)
 r10:61c88647 r9:83f53ac0 r8:ddde52e0 r7:82604d40 r6:ddde52c0 r5:893849ac
 r4:89384980
[<802662e0>] (worker_thread) from [<8026d8e0>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df991e98 r8:89366f40 r7:89384980 r6:802662e0 r5:83f53ac0
 r4:89082580
[<8026d7dc>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdfe0dfb0 to 0xdfe0dff8)
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 r5:8026d7dc r4:89082580
INFO: task kworker/1:8:4910 blocked for more than 430 seconds.
      Not tainted 6.6.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:8     state:D stack:0     pid:4910  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<8183eb28>] (__schedule) from [<8183f790>] (schedule+0x5c/0xac kernel/sched/core.c:6771)
 r10:82c16205 r9:00000000 r8:8270d5f4 r7:00000002 r6:e0571da4 r5:84158bc0
 r4:84158bc0
[<8183f734>] (schedule) from [<8183fcd4>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6830)
 r5:84158bc0 r4:8270d5f0
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<818422d4>] (__mutex_lock.constprop.0) from [<81842e88>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
 r10:82c16205 r9:e0571e30 r8:00000000 r7:ffffffff r6:00000000 r5:8a80d640
 r4:00000000
[<81842e74>] (__mutex_lock_slowpath) from [<81842ec8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81842e8c>] (mutex_lock) from [<80482784>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vfree+0x180/0x1f0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8a80d640
 r4:00000000
[<804861d4>] (vfree) from [<802e81e4>] (module_memfree+0x40/0x60 kernel/module/main.c:1189)
 r9:8948f800 r8:00000000 r7:00000000 r6:82c16200 r5:00001000 r4:7f039000
[<802e81a4>] (module_memfree) from [<80384244>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1015)
 r5:00001000 r4:dfc75000
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_binary_free kernel/bpf/core.c:1061 [inline])
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1186)
[<8038439c>] (bpf_jit_free) from [<80384608>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2736)
 r5:8948fb44 r4:8907be00
[<80384480>] (bpf_prog_free_deferred) from [<80265fd4>] (process_one_work+0x19c/0x4a8 kernel/workqueue.c:2630)
 r9:84158bc0 r8:00000080 r7:ddde52c0 r6:82c16200 r5:8948fb44 r4:8907be00
[<80265e38>] (process_one_work) from [<80266520>] (process_scheduled_works kernel/workqueue.c:2703 [inline])
[<80265e38>] (process_one_work) from [<80266520>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784)
 r10:61c88647 r9:84158bc0 r8:ddde52e0 r7:82604d40 r6:ddde52c0 r5:8907be2c
 r4:8907be00
[<802662e0>] (worker_thread) from [<8026d8e0>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df875e98 r8:896d4300 r7:8907be00 r6:802662e0 r5:84158bc0
 r4:895da380
[<8026d7dc>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xe0571fb0 to 0xe0571ff8)
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 r5:8026d7dc r4:895da380
INFO: task kworker/1:16:4979 blocked for more than 430 seconds.
      Not tainted 6.6.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:16    state:D stack:0     pid:4979  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<8183eb28>] (__schedule) from [<8183f790>] (schedule+0x5c/0xac kernel/sched/core.c:6771)
 r10:82c16205 r9:00000000 r8:8270d5f4 r7:00000002 r6:eaabdda4 r5:83f60000
 r4:83f60000
[<8183f734>] (schedule) from [<8183fcd4>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6830)
 r5:83f60000 r4:8270d5f0
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<818422d4>] (__mutex_lock.constprop.0) from [<81842e88>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
 r10:82c16205 r9:eaabde30 r8:00000000 r7:ffffffff r6:00000000 r5:89695400
 r4:00000000
[<81842e74>] (__mutex_lock_slowpath) from [<81842ec8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81842e8c>] (mutex_lock) from [<80482784>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vfree+0x180/0x1f0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:89695400
 r4:00000000
[<804861d4>] (vfree) from [<802e81e4>] (module_memfree+0x40/0x60 kernel/module/main.c:1189)
 r9:895f0c00 r8:00000000 r7:00000000 r6:82c16200 r5:00001000 r4:7f0f5000
[<802e81a4>] (module_memfree) from [<80384244>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1015)
 r5:00001000 r4:dfdb9000
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_binary_free kernel/bpf/core.c:1061 [inline])
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1186)
[<8038439c>] (bpf_jit_free) from [<80384608>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2736)
 r5:895f0f44 r4:8907b900
[<80384480>] (bpf_prog_free_deferred) from [<80265fd4>] (process_one_work+0x19c/0x4a8 kernel/workqueue.c:2630)
 r9:83f60000 r8:00000080 r7:ddde52c0 r6:82c16200 r5:895f0f44 r4:8907b900
[<80265e38>] (process_one_work) from [<80266520>] (process_scheduled_works kernel/workqueue.c:2703 [inline])
[<80265e38>] (process_one_work) from [<80266520>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784)
 r10:61c88647 r9:83f60000 r8:ddde52e0 r7:82604d40 r6:ddde52c0 r5:8907b92c
 r4:8907b900
[<802662e0>] (worker_thread) from [<8026d8e0>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:e04d1e98 r8:897dacc0 r7:8907b900 r6:802662e0 r5:83f60000
 r4:897da500
[<8026d7dc>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xeaabdfb0 to 0xeaabdff8)
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 r5:8026d7dc r4:897da500
INFO: task kworker/1:22:5089 blocked for more than 430 seconds.
      Not tainted 6.6.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:22    state:D stack:0     pid:5089  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<8183eb28>] (__schedule) from [<8183f790>] (schedule+0x5c/0xac kernel/sched/core.c:6771)
 r10:82c16205 r9:00000000 r8:8270d5f4 r7:00000002 r6:e88bdda4 r5:890baf00
 r4:890baf00
[<8183f734>] (schedule) from [<8183fcd4>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6830)
 r5:890baf00 r4:8270d5f0
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<818422d4>] (__mutex_lock.constprop.0) from [<81842e88>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
 r10:82c16205 r9:e88bde30 r8:00000000 r7:ffffffff r6:00000000 r5:846115c0
 r4:00000000
[<81842e74>] (__mutex_lock_slowpath) from [<81842ec8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81842e8c>] (mutex_lock) from [<80482784>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vfree+0x180/0x1f0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846115c0
 r4:00000000
[<804861d4>] (vfree) from [<802e81e4>] (module_memfree+0x40/0x60 kernel/module/main.c:1189)
 r9:84764800 r8:00000000 r7:00000000 r6:82c16200 r5:00001000 r4:7f047000
[<802e81a4>] (module_memfree) from [<80384244>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1015)
 r5:00001000 r4:e06d3000
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_binary_free kernel/bpf/core.c:1061 [inline])
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1186)
[<8038439c>] (bpf_jit_free) from [<80384608>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2736)
 r5:84764b44 r4:89554b80
[<80384480>] (bpf_prog_free_deferred) from [<80265fd4>] (process_one_work+0x19c/0x4a8 kernel/workqueue.c:2630)
 r9:890baf00 r8:00000080 r7:ddde52c0 r6:82c16200 r5:84764b44 r4:89554b80
[<80265e38>] (process_one_work) from [<80266520>] (process_scheduled_works kernel/workqueue.c:2703 [inline])
[<80265e38>] (process_one_work) from [<80266520>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784)
 r10:61c88647 r9:890baf00 r8:ddde52e0 r7:82604d40 r6:ddde52c0 r5:89554bac
 r4:89554b80
[<802662e0>] (worker_thread) from [<8026d8e0>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:eae01e98 r8:8910e680 r7:89554b80 r6:802662e0 r5:890baf00
 r4:8910e580
[<8026d7dc>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xe88bdfb0 to 0xe88bdff8)
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 r5:8026d7dc r4:8910e580
INFO: task kworker/1:23:5358 blocked for more than 430 seconds.
      Not tainted 6.6.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:23    state:D stack:0     pid:5358  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<8183eb28>] (__schedule) from [<8183f790>] (schedule+0x5c/0xac kernel/sched/core.c:6771)
 r10:82c16205 r9:00000000 r8:8270d5f4 r7:00000002 r6:dfb6dda4 r5:897b0000
 r4:897b0000
[<8183f734>] (schedule) from [<8183fcd4>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6830)
 r5:897b0000 r4:8270d5f0
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<818422d4>] (__mutex_lock.constprop.0) from [<81842e88>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
 r10:82c16205 r9:dfb6de30 r8:00000000 r7:ffffffff r6:00000000 r5:84611840
 r4:00000000
[<81842e74>] (__mutex_lock_slowpath) from [<81842ec8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81842e8c>] (mutex_lock) from [<80482784>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vfree+0x180/0x1f0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84611840
 r4:00000000
[<804861d4>] (vfree) from [<802e81e4>] (module_memfree+0x40/0x60 kernel/module/main.c:1189)
 r9:894dbc00 r8:00000000 r7:00000000 r6:82c16200 r5:00001000 r4:7f0ed000
[<802e81a4>] (module_memfree) from [<80384244>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1015)
 r5:00001000 r4:dfd9d000
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_binary_free kernel/bpf/core.c:1061 [inline])
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1186)
[<8038439c>] (bpf_jit_free) from [<80384608>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2736)
 r5:894dbf44 r4:895cc580
[<80384480>] (bpf_prog_free_deferred) from [<80265fd4>] (process_one_work+0x19c/0x4a8 kernel/workqueue.c:2630)
 r9:897b0000 r8:00000080 r7:ddde52c0 r6:82c16200 r5:894dbf44 r4:895cc580
[<80265e38>] (process_one_work) from [<80266520>] (process_scheduled_works kernel/workqueue.c:2703 [inline])
[<80265e38>] (process_one_work) from [<80266520>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784)
 r10:61c88647 r9:897b0000 r8:ddde52e0 r7:82604d40 r6:ddde52c0 r5:895cc5ac
 r4:895cc580
[<802662e0>] (worker_thread) from [<8026d8e0>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df9dde98 r8:89056340 r7:895cc580 r6:802662e0 r5:897b0000
 r4:896cd900
[<8026d7dc>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdfb6dfb0 to 0xdfb6dff8)
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 r5:8026d7dc r4:896cd900
INFO: task kworker/1:24:5363 blocked for more than 430 seconds.
      Not tainted 6.6.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:24    state:D stack:0     pid:5363  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<8183eb28>] (__schedule) from [<8183f790>] (schedule+0x5c/0xac kernel/sched/core.c:6771)
 r10:82c16205 r9:00000000 r8:8270d5f4 r7:00000002 r6:dfc6dda4 r5:897b4680
 r4:897b4680
[<8183f734>] (schedule) from [<8183fcd4>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6830)
 r5:897b4680 r4:8270d5f0
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<818422d4>] (__mutex_lock.constprop.0) from [<81842e88>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
 r10:82c16205 r9:dfc6de30 r8:00000000 r7:ffffffff r6:00000000 r5:89695000
 r4:00000000
[<81842e74>] (__mutex_lock_slowpath) from [<81842ec8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81842e8c>] (mutex_lock) from [<80482784>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vfree+0x180/0x1f0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:89695000
 r4:00000000
[<804861d4>] (vfree) from [<802e81e4>] (module_memfree+0x40/0x60 kernel/module/main.c:1189)
 r9:895f0000 r8:00000000 r7:00000000 r6:82c16200 r5:00001000 r4:7f0ef000
[<802e81a4>] (module_memfree) from [<80384244>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1015)
 r5:00001000 r4:dfda7000
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_binary_free kernel/bpf/core.c:1061 [inline])
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1186)
[<8038439c>] (bpf_jit_free) from [<80384608>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2736)
 r5:895f0344 r4:895ccc00
[<80384480>] (bpf_prog_free_deferred) from [<80265fd4>] (process_one_work+0x19c/0x4a8 kernel/workqueue.c:2630)
 r9:897b4680 r8:00000080 r7:ddde52c0 r6:82c16200 r5:895f0344 r4:895ccc00
[<80265e38>] (process_one_work) from [<80266520>] (process_scheduled_works kernel/workqueue.c:2703 [inline])
[<80265e38>] (process_one_work) from [<80266520>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784)
 r10:61c88647 r9:897b4680 r8:ddde52e0 r7:82604d40 r6:ddde52c0 r5:895ccc2c
 r4:895ccc00
[<802662e0>] (worker_thread) from [<8026d8e0>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:dfb6de98 r8:895c9640 r7:895ccc00 r6:802662e0 r5:897b4680
 r4:896c0bc0
[<8026d7dc>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdfc6dfb0 to 0xdfc6dff8)
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 r5:8026d7dc r4:896c0bc0
INFO: task kworker/1:25:5368 blocked for more than 430 seconds.
      Not tainted 6.6.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:25    state:D stack:0     pid:5368  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<8183eb28>] (__schedule) from [<8183f790>] (schedule+0x5c/0xac kernel/sched/core.c:6771)
 r10:82c16205 r9:00000000 r8:8270d5f4 r7:00000002 r6:e04f1da4 r5:897b2340
 r4:897b2340
[<8183f734>] (schedule) from [<8183fcd4>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6830)
 r5:897b2340 r4:8270d5f0
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<818422d4>] (__mutex_lock.constprop.0) from [<81842e88>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
 r10:82c16205 r9:e04f1e30 r8:00000000 r7:ffffffff r6:00000000 r5:89695180
 r4:00000000
[<81842e74>] (__mutex_lock_slowpath) from [<81842ec8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81842e8c>] (mutex_lock) from [<80482784>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vfree+0x180/0x1f0 mm/vmalloc.c:2832)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:89695180
 r4:00000000
[<804861d4>] (vfree) from [<802e81e4>] (module_memfree+0x40/0x60 kernel/module/main.c:1189)
 r9:895f0400 r8:00000000 r7:00000000 r6:82c16200 r5:00001000 r4:7f0f1000
[<802e81a4>] (module_memfree) from [<80384244>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1015)
 r5:00001000 r4:dfdad000
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_binary_free kernel/bpf/core.c:1061 [inline])
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1186)
[<8038439c>] (bpf_jit_free) from [<80384608>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2736)
 r5:895f0744 r4:895cc180
[<80384480>] (bpf_prog_free_deferred) from [<80265fd4>] (process_one_work+0x19c/0x4a8 kernel/workqueue.c:2630)
 r9:897b2340 r8:00000080 r7:ddde52c0 r6:82c16200 r5:895f0744 r4:895cc180
[<80265e38>] (process_one_work) from [<80266520>] (process_scheduled_works kernel/workqueue.c:2703 [inline])
[<80265e38>] (process_one_work) from [<80266520>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784)
 r10:61c88647 r9:897b2340 r8:ddde52e0 r7:82604d40 r6:ddde52c0 r5:895cc1ac
 r4:895cc180
[<802662e0>] (worker_thread) from [<8026d8e0>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:dfb6de98 r8:8906b5c0 r7:895cc180 r6:802662e0 r5:897b2340
 r4:895e0c80
[<8026d7dc>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xe04f1fb0 to 0xe04f1ff8)
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 r5:8026d7dc r4:895e0c80
INFO: task kworker/0:58:5893 blocked for more than 430 seconds.
      Not tainted 6.6.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:58    state:D stack:0     pid:5893  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<8183eb28>] (__schedule) from [<8183f790>] (schedule+0x5c/0xac kernel/sched/core.c:6771)
 r10:82c16005 r9:00000000 r8:8270d5f4 r7:00000002 r6:ea9d1da4 r5:846fe9c0
 r4:846fe9c0
[<8183f734>] (schedule) from [<8183fcd4>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6830)
 r5:846fe9c0 r4:8270d5f0
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<818422d4>] (__mutex_lock.constprop.0) from [<81842e88>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
 r10:82c16005 r9:ea9d1e30 r8:00000000 r7:ffffffff r6:00000000 r5:895e7000
 r4:00000000
[<81842e74>] (__mutex_lock_slowpath) from [<81842ec8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81842e8c>] (mutex_lock) from [<80482784>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vfree+0x180/0x1f0 mm/vmalloc.c:2832)
 r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:895e7000
 r4:00000000
[<804861d4>] (vfree) from [<802e81e4>] (module_memfree+0x40/0x60 kernel/module/main.c:1189)
 r9:83eed400 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f09b000
[<802e81a4>] (module_memfree) from [<80384244>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1015)
 r5:00001000 r4:e072b000
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_binary_free kernel/bpf/core.c:1061 [inline])
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1186)
[<8038439c>] (bpf_jit_free) from [<80384608>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2736)
 r5:83eed744 r4:896c9c80
[<80384480>] (bpf_prog_free_deferred) from [<80265fd4>] (process_one_work+0x19c/0x4a8 kernel/workqueue.c:2630)
 r9:846fe9c0 r8:00000000 r7:dddd22c0 r6:82c16000 r5:83eed744 r4:896c9c80
[<80265e38>] (process_one_work) from [<80266520>] (process_scheduled_works kernel/workqueue.c:2703 [inline])
[<80265e38>] (process_one_work) from [<80266520>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784)
 r10:61c88647 r9:846fe9c0 r8:dddd22e0 r7:82604d40 r6:dddd22c0 r5:896c9cac
 r4:896c9c80
[<802662e0>] (worker_thread) from [<8026d8e0>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:ea9cde98 r8:896ba580 r7:896c9c80 r6:802662e0 r5:846fe9c0
 r4:896ba0c0
[<8026d7dc>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xea9d1fb0 to 0xea9d1ff8)
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 r5:8026d7dc r4:896ba0c0
INFO: task kworker/0:59:5894 blocked for more than 430 seconds.
      Not tainted 6.6.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:59    state:D stack:0     pid:5894  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Backtrace: 
[<8183eb28>] (__schedule) from [<8183f790>] (schedule+0x5c/0xac kernel/sched/core.c:6771)
 r10:82c16005 r9:00000000 r8:8270d5f4 r7:00000002 r6:ea9d5da4 r5:84490000
 r4:84490000
[<8183f734>] (schedule) from [<8183fcd4>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6830)
 r5:84490000 r4:8270d5f0
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock_common kernel/locking/mutex.c:679 [inline])
[<8183fcbc>] (schedule_preempt_disabled) from [<818425bc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:747)
[<818422d4>] (__mutex_lock.constprop.0) from [<81842e88>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1035)
 r10:82c16005 r9:ea9d5e30 r8:00000000 r7:ffffffff r6:00000000 r5:897567c0
 r4:00000000
[<81842e74>] (__mutex_lock_slowpath) from [<81842ec8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<81842e8c>] (mutex_lock) from [<80482784>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267)
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vm_reset_perms mm/vmalloc.c:2753 [inline])
[<80482724>] (_vm_unmap_aliases) from [<80486354>] (vfree+0x180/0x1f0 mm/vmalloc.c:2832)
 r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:897567c0
 r4:00000000
[<804861d4>] (vfree) from [<802e81e4>] (module_memfree+0x40/0x60 kernel/module/main.c:1189)
 r9:83eed000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f099000
[<802e81a4>] (module_memfree) from [<80384244>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1015)
 r5:00001000 r4:e0725000
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_binary_free kernel/bpf/core.c:1061 [inline])
[<80384234>] (bpf_jit_free_exec) from [<80384404>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1186)
[<8038439c>] (bpf_jit_free) from [<80384608>] (bpf_prog_free_deferred+0x188/0x1a0 kernel/bpf/core.c:2736)
 r5:83eed344 r4:896c9d00
[<80384480>] (bpf_prog_free_deferred) from [<80265fd4>] (process_one_work+0x19c/0x4a8 kernel/workqueue.c:2630)
 r9:84490000 r8:00000000 r7:dddd22c0 r6:82c16000 r5:83eed344 r4:896c9d00
[<80265e38>] (process_one_work) from [<80266520>] (process_scheduled_works kernel/workqueue.c:2703 [inline])
[<80265e38>] (process_one_work) from [<80266520>] (worker_thread+0x240/0x48c kernel/workqueue.c:2784)
 r10:61c88647 r9:84490000 r8:dddd22e0 r7:82604d40 r6:dddd22c0 r5:896c9d2c
 r4:896c9d00
[<802662e0>] (worker_thread) from [<8026d8e0>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:ea9d1e98 r8:896ba740 r7:896c9d00 r6:802662e0 r5:84490000
 r4:896ba0c0
[<8026d7dc>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xea9d5fb0 to 0xea9d5ff8)
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 r5:8026d7dc r4:896ba0c0
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
NMI backtrace for cpu 1
CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.6.0-rc4-syzkaller #0
Hardware name: ARM-Versatile Express
Backtrace: 
[<8181d9c0>] (dump_backtrace) from [<8181dabc>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256)
 r7:00000000 r6:00000113 r5:60000193 r4:81fb565c
[<8181daa4>] (show_stack) from [<8183adac>] (__dump_stack lib/dump_stack.c:88 [inline])
[<8181daa4>] (show_stack) from [<8183adac>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106)
[<8183ad64>] (dump_stack_lvl) from [<8183add0>] (dump_stack+0x18/0x1c lib/dump_stack.c:113)
 r5:00000001 r4:00000001
[<8183adb8>] (dump_stack) from [<8180b404>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113)
[<8180b2a4>] (nmi_cpu_backtrace) from [<8180b550>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62)
 r7:00000001 r6:8260c494 r5:8261a898 r4:ffffffff
[<8180b420>] (nmi_trigger_cpumask_backtrace) from [<802104b4>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851)
 r9:8260c60c r8:82899eac r7:8261b448 r6:00007d4b r5:84716000 r4:8aa35164
[<8021049c>] (arch_trigger_cpumask_backtrace) from [<80343ef8>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline])
[<8021049c>] (arch_trigger_cpumask_backtrace) from [<80343ef8>] (check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline])
[<8021049c>] (arch_trigger_cpumask_backtrace) from [<80343ef8>] (watchdog+0x488/0x59c kernel/hung_task.c:379)
[<80343a70>] (watchdog) from [<8026d8e0>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df819e58 r8:82de7440 r7:00000000 r6:80343a70 r5:82e61780
 r4:82ec4800
[<8026d7dc>] (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 r5:8026d7dc r4:82ec4800
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2791 Comm: syslogd Not tainted 6.6.0-rc4-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at fault_in_readable+0x50/0x128 mm/gup.c:1977
LR is at fault_in_readable+0x50/0x128 mm/gup.c:1977
pc : [<8045e6b0>]    lr : [<8045e6b0>]    psr: 80000013
sp : ec259e00  ip : 00000fff  fp : ec259e1c
r10: 00019db1  r9 : 81a19400  r8 : 00000000
r7 : 847a8dd0  r6 : 0000008c  r5 : 00aaa4d0  r4 : 0000008c
r3 : 7effff74  r2 : 0000004a  r1 : 7effffff  r0 : 00000000
Flags: Nzcv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 30c5387d  Table: 843bf000  DAC: fffffffd
Backtrace: 
[<8045e660>] (fault_in_readable) from [<807d6bf0>] (fault_in_iov_iter_readable+0xd0/0xdc lib/iov_iter.c:216)
 r5:00019db1 r4:00000000
[<807d6b20>] (fault_in_iov_iter_readable) from [<80414524>] (generic_perform_write+0x84/0x230 mm/filemap.c:3959)
 r7:847a8dd0 r6:ec259ee8 r5:00019db1 r4:0000008c
[<804144a0>] (generic_perform_write) from [<8043e10c>] (shmem_file_write_iter+0x7c/0x84 mm/shmem.c:2865)
 r10:00004004 r9:00000000 r8:8ae1b3c0 r7:ec259ee8 r6:847a8d48 r5:ec259f08
 r4:00000000
[<8043e090>] (shmem_file_write_iter) from [<804d99a4>] (call_write_iter include/linux/fs.h:1956 [inline])
[<8043e090>] (shmem_file_write_iter) from [<804d99a4>] (new_sync_write fs/read_write.c:491 [inline])
[<8043e090>] (shmem_file_write_iter) from [<804d99a4>] (vfs_write+0x224/0x418 fs/read_write.c:584)
 r9:00000000 r8:00019db1 r7:ec259f68 r6:83ef5240 r5:0000008c r4:8ae1b3c0
[<804d9780>] (vfs_write) from [<804d9d1c>] (ksys_write+0x78/0xf8 fs/read_write.c:637)
 r10:00000004 r9:83ef5240 r8:80200288 r7:00000000 r6:00019db1 r5:8ae1b3c0
 r4:8ae1b3c0
[<804d9ca4>] (ksys_write) from [<804d9dac>] (__do_sys_write fs/read_write.c:649 [inline])
[<804d9ca4>] (ksys_write) from [<804d9dac>] (sys_write+0x10/0x14 fs/read_write.c:646)
 r7:00000004 r6:76ec8548 r5:76f085a0 r4:00000003
[<804d9d9c>] (sys_write) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66)
Exception stack(0xec259fa8 to 0xec259ff0)
9fa0:                   00000003 76f085a0 00000003 00aaa4d0 0000008c 00000000
9fc0: 00000003 76f085a0 76ec8548 00000004 0000008c 00aaa1c8 76ec854c 7e8c7c84
9fe0: 76ec7d74 7e8c7b80 76df2760 76d4b39c