INFO: task kworker/1:23:4170 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:23    state:D stack:0     pid:4170  tgid:4170  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:e0289d84 r9:829174a8 r8:60000113 r7:829174a8 r6:e0289d8c r5:85a96c00
 r4:85a96c00
[<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:85a96c00 r4:829174a4
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0289e08
 r4:00000000
[<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860f7fc0
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85a96c00 r7:00000000 r6:83018600 r5:00001000 r4:7f029000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:df9ed000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:86091394 r4:85c76980
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:86091394 r4:85c76980
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:85a96c00 r8:85c769ac r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:85c76980
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85c76980 r8:802762fc r7:e024de60 r6:85c76a00 r5:85a96c00
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0289fb0 to 0xe0289ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:85d2e2c0
INFO: task kworker/1:23:4170 is blocked on a mutex likely owned by task kworker/1:218:5088.
task:kworker/1:218   state:R  running task     stack:0     pid:5088  tgid:5088  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280c9f8 r9:86148000 r8:80200c04 r7:eaaddd54 r6:ffffffff r5:86148000
 r4:00000000
[<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeaaddd20 to 0xeaaddd68)
dd20: d3bd0000 ebd13000 00000001 80239018 7f00f000 00000001 82ace204 82acd5e0
dd40: 7f00f000 ebd13000 8280c9f8 eaaddd9c eaaddda0 eaaddd70 8022fe10 80239030
dd60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eaadddc0 r5:eaadde08
 r4:eaadddc0
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860fc140
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:86148000 r7:00000000 r6:83018600 r5:00001000 r4:7f051000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:eac17000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:860dbf94 r4:86101b00
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:860dbf94 r4:86101b00
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:86148000 r8:86101b2c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:86101b00
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:86101b00 r8:802762fc r7:eab99e60 r6:85dd3180 r5:86148000
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeaaddfb0 to 0xeaaddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:860f9180
INFO: task kworker/1:26:4184 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:26    state:D stack:0     pid:4184  tgid:4184  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:dfabdd84 r9:829174a8 r8:60000013 r7:829174a8 r6:dfabdd8c r5:83e8d400
 r4:83e8d400
[<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:83e8d400 r4:829174a4
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfabde08
 r4:00000000
[<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f1a2c0
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:83e8d400 r7:00000000 r6:83018600 r5:00001000 r4:7f033000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:dfe6d000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:860acf94 r4:85c76900
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:860acf94 r4:85c76900
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:83e8d400 r8:85c7692c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:85c76900
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85c76900 r8:802762fc r7:dfa05e60 r6:85cc7b00 r5:83e8d400
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfabdfb0 to 0xdfabdff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:85d2e840
INFO: task kworker/1:26:4184 is blocked on a mutex likely owned by task kworker/1:218:5088.
task:kworker/1:218   state:R  running task     stack:0     pid:5088  tgid:5088  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280c9f8 r9:86148000 r8:80200c04 r7:eaaddd54 r6:ffffffff r5:86148000
 r4:00000000
[<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeaaddd20 to 0xeaaddd68)
dd20: d3bd0000 ebd13000 00000001 80239018 7f00f000 00000001 82ace204 82acd5e0
dd40: 7f00f000 ebd13000 8280c9f8 eaaddd9c eaaddda0 eaaddd70 8022fe10 80239030
dd60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eaadddc0 r5:eaadde08
 r4:eaadddc0
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860fc140
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:86148000 r7:00000000 r6:83018600 r5:00001000 r4:7f051000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:eac17000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:860dbf94 r4:86101b00
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:860dbf94 r4:86101b00
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:86148000 r8:86101b2c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:86101b00
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:86101b00 r8:802762fc r7:eab99e60 r6:85dd3180 r5:86148000
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeaaddfb0 to 0xeaaddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:860f9180
INFO: task kworker/1:214:5021 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:214   state:D stack:0     pid:5021  tgid:5021  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:eaa59d84 r9:829174a8 r8:60000013 r7:829174a8 r6:eaa59d8c r5:86040c00
 r4:86040c00
[<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:86040c00 r4:829174a4
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa59e08
 r4:00000000
[<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860f9c80
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:86040c00 r7:00000000 r6:83018600 r5:00001000 r4:7f02b000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:dfad7000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:86091794 r4:85f1eb80
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:86091794 r4:85f1eb80
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:86040c00 r8:85f1ebac r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:85f1eb80
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85f1eb80 r8:802762fc r7:ea9d1e60 r6:860f8e80 r5:86040c00
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeaa59fb0 to 0xeaa59ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:85f03300
INFO: task kworker/1:214:5021 is blocked on a mutex likely owned by task kworker/1:218:5088.
task:kworker/1:218   state:R  running task     stack:0     pid:5088  tgid:5088  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280c9f8 r9:86148000 r8:80200c04 r7:eaaddd54 r6:ffffffff r5:86148000
 r4:00000000
[<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeaaddd20 to 0xeaaddd68)
dd20: d3bd0000 ebd13000 00000001 80239018 7f00f000 00000001 82ace204 82acd5e0
dd40: 7f00f000 ebd13000 8280c9f8 eaaddd9c eaaddda0 eaaddd70 8022fe10 80239030
dd60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eaadddc0 r5:eaadde08
 r4:eaadddc0
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860fc140
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:86148000 r7:00000000 r6:83018600 r5:00001000 r4:7f051000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:eac17000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:860dbf94 r4:86101b00
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:860dbf94 r4:86101b00
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:86148000 r8:86101b2c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:86101b00
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:86101b00 r8:802762fc r7:eab99e60 r6:85dd3180 r5:86148000
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeaaddfb0 to 0xeaaddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:860f9180
INFO: task kworker/1:216:5040 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:216   state:D stack:0     pid:5040  tgid:5040  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:eab99d84 r9:829174a8 r8:60000113 r7:829174a8 r6:eab99d8c r5:84c93000
 r4:84c93000
[<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:84c93000 r4:829174a4
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab99e08
 r4:00000000
[<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f23d80
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:84c93000 r7:00000000 r6:83018600 r5:00001000 r4:7f037000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:ea663000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:860adb94 r4:85f1e000
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:860adb94 r4:85f1e000
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:84c93000 r8:85f1e02c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:85f1e000
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85f1e000 r8:802762fc r7:eaa59e60 r6:85f1eb00 r5:84c93000
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeab99fb0 to 0xeab99ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:860f9340
INFO: task kworker/1:216:5040 is blocked on a mutex likely owned by task kworker/1:218:5088.
task:kworker/1:218   state:R  running task     stack:0     pid:5088  tgid:5088  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280c9f8 r9:86148000 r8:80200c04 r7:eaaddd54 r6:ffffffff r5:86148000
 r4:00000000
[<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeaaddd20 to 0xeaaddd68)
dd20: d3bd0000 ebd13000 00000001 80239018 7f00f000 00000001 82ace204 82acd5e0
dd40: 7f00f000 ebd13000 8280c9f8 eaaddd9c eaaddda0 eaaddd70 8022fe10 80239030
dd60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eaadddc0 r5:eaadde08
 r4:eaadddc0
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860fc140
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:86148000 r7:00000000 r6:83018600 r5:00001000 r4:7f051000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:eac17000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:860dbf94 r4:86101b00
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:860dbf94 r4:86101b00
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:86148000 r8:86101b2c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:86101b00
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:86101b00 r8:802762fc r7:eab99e60 r6:85dd3180 r5:86148000
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeaaddfb0 to 0xeaaddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:860f9180
INFO: task kworker/0:258:5085 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:258   state:D stack:0     pid:5085  tgid:5085  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:eab81d84 r9:829174a8 r8:60000013 r7:829174a8 r6:eab81d8c r5:8614b000
 r4:8614b000
[<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:8614b000 r4:829174a4
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab81e08
 r4:00000000
[<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f18f40
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8614b000 r7:00000000 r6:83018400 r5:00001000 r4:7f011000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:dfe33000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:860d2b94 r4:85dd3500
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:dddcfb40 r6:83018400 r5:860d2b94 r4:85dd3500
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:8614b000 r8:85dd352c r7:82804d80 r6:dddcfb40 r5:dddcfb60
 r4:85dd3500
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85dd3500 r8:802762fc r7:eaae1e60 r6:85dd3580 r5:8614b000
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeab81fb0 to 0xeab81ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:860fc200
INFO: task kworker/0:258:5085 is blocked on a mutex likely owned by task kworker/1:218:5088.
task:kworker/1:218   state:R  running task     stack:0     pid:5088  tgid:5088  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280c9f8 r9:86148000 r8:80200c04 r7:eaaddd54 r6:ffffffff r5:86148000
 r4:00000000
[<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeaaddd20 to 0xeaaddd68)
dd20: d3bd0000 ebd13000 00000001 80239018 7f00f000 00000001 82ace204 82acd5e0
dd40: 7f00f000 ebd13000 8280c9f8 eaaddd9c eaaddda0 eaaddd70 8022fe10 80239030
dd60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eaadddc0 r5:eaadde08
 r4:eaadddc0
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860fc140
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:86148000 r7:00000000 r6:83018600 r5:00001000 r4:7f051000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:eac17000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:860dbf94 r4:86101b00
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:860dbf94 r4:86101b00
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:86148000 r8:86101b2c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:86101b00
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:86101b00 r8:802762fc r7:eab99e60 r6:85dd3180 r5:86148000
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeaaddfb0 to 0xeaaddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:860f9180
INFO: task kworker/0:259:5090 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:259   state:D stack:0     pid:5090  tgid:5090  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:eabf1d84 r9:829174a8 r8:60000113 r7:829174a8 r6:eabf1d8c r5:8614c800
 r4:8614c800
[<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:8614c800 r4:829174a4
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabf1e08
 r4:00000000
[<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f188c0
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8614c800 r7:00000000 r6:83018400 r5:00001000 r4:7f053000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:eac63000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:860d3794 r4:85dd3800
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:dddcfb40 r6:83018400 r5:860d3794 r4:85dd3800
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:8614c800 r8:85dd382c r7:82804d80 r6:dddcfb40 r5:dddcfb60
 r4:85dd3800
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85dd3800 r8:802762fc r7:eab81e60 r6:85dd3880 r5:8614c800
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeabf1fb0 to 0xeabf1ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:85bfc140
INFO: task kworker/0:259:5090 is blocked on a mutex likely owned by task kworker/1:218:5088.
task:kworker/1:218   state:R  running task     stack:0     pid:5088  tgid:5088  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280c9f8 r9:86148000 r8:80200c04 r7:eaaddd54 r6:ffffffff r5:86148000
 r4:00000000
[<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeaaddd20 to 0xeaaddd68)
dd20: d3bd0000 ebd13000 00000001 80239018 7f00f000 00000001 82ace204 82acd5e0
dd40: 7f00f000 ebd13000 8280c9f8 eaaddd9c eaaddda0 eaaddd70 8022fe10 80239030
dd60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eaadddc0 r5:eaadde08
 r4:eaadddc0
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860fc140
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:86148000 r7:00000000 r6:83018600 r5:00001000 r4:7f051000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:eac17000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:860dbf94 r4:86101b00
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:860dbf94 r4:86101b00
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:86148000 r8:86101b2c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:86101b00
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:86101b00 r8:802762fc r7:eab99e60 r6:85dd3180 r5:86148000
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeaaddfb0 to 0xeaaddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:860f9180
INFO: task kworker/0:260:5093 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:260   state:D stack:0     pid:5093  tgid:5093  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:eac5dd84 r9:829174a8 r8:60000113 r7:829174a8 r6:eac5dd8c r5:8614d400
 r4:8614d400
[<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:8614d400 r4:829174a4
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac5de08
 r4:00000000
[<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85f18400
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8614d400 r7:00000000 r6:83018400 r5:00001000 r4:7f00f000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:dfcd7000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85da9394 r4:85dd3b80
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:dddcfb40 r6:83018400 r5:85da9394 r4:85dd3b80
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:8614d400 r8:85dd3bac r7:82804d80 r6:dddcfb40 r5:dddcfb60
 r4:85dd3b80
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85dd3b80 r8:802762fc r7:eabf1e60 r6:85dd3a80 r5:8614d400
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeac5dfb0 to 0xeac5dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:85f18400
INFO: task kworker/0:260:5093 is blocked on a mutex likely owned by task kworker/1:218:5088.
task:kworker/1:218   state:R  running task     stack:0     pid:5088  tgid:5088  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280c9f8 r9:86148000 r8:80200c04 r7:eaaddd54 r6:ffffffff r5:86148000
 r4:00000000
[<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeaaddd20 to 0xeaaddd68)
dd20: d3bd0000 ebd13000 00000001 80239018 7f00f000 00000001 82ace204 82acd5e0
dd40: 7f00f000 ebd13000 8280c9f8 eaaddd9c eaaddda0 eaaddd70 8022fe10 80239030
dd60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eaadddc0 r5:eaadde08
 r4:eaadddc0
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860fc140
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:86148000 r7:00000000 r6:83018600 r5:00001000 r4:7f051000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:eac17000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:860dbf94 r4:86101b00
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:860dbf94 r4:86101b00
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:86148000 r8:86101b2c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:86101b00
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:86101b00 r8:802762fc r7:eab99e60 r6:85dd3180 r5:86148000
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeaaddfb0 to 0xeaaddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:860f9180
INFO: task kworker/0:261:5096 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:261   state:D stack:0     pid:5096  tgid:5096  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:eac31d84 r9:829174a8 r8:60000013 r7:829174a8 r6:eac31d8c r5:8614bc00
 r4:8614bc00
[<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:8614bc00 r4:829174a4
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac31e08
 r4:00000000
[<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85d2e4c0
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8614bc00 r7:00000000 r6:83018400 r5:00001000 r4:7f02f000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:e855f000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:860d3f94 r4:85dd3c80
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:dddcfb40 r6:83018400 r5:860d3f94 r4:85dd3c80
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:8614bc00 r8:85dd3cac r7:82804d80 r6:dddcfb40 r5:dddcfb60
 r4:85dd3c80
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85dd3c80 r8:802762fc r7:eab81e60 r6:85dd3d00 r5:8614bc00
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeac31fb0 to 0xeac31ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:85f18840
INFO: task kworker/0:261:5096 is blocked on a mutex likely owned by task kworker/1:218:5088.
task:kworker/1:218   state:R  running task     stack:0     pid:5088  tgid:5088  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280c9f8 r9:86148000 r8:80200c04 r7:eaaddd54 r6:ffffffff r5:86148000
 r4:00000000
[<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeaaddd20 to 0xeaaddd68)
dd20: d3bd0000 ebd13000 00000001 80239018 7f00f000 00000001 82ace204 82acd5e0
dd40: 7f00f000 ebd13000 8280c9f8 eaaddd9c eaaddda0 eaaddd70 8022fe10 80239030
dd60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eaadddc0 r5:eaadde08
 r4:eaadddc0
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860fc140
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:86148000 r7:00000000 r6:83018600 r5:00001000 r4:7f051000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:eac17000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:860dbf94 r4:86101b00
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:860dbf94 r4:86101b00
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:86148000 r8:86101b2c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:86101b00
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:86101b00 r8:802762fc r7:eab99e60 r6:85dd3180 r5:86148000
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeaaddfb0 to 0xeaaddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:860f9180
INFO: task kworker/0:262:5098 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:262   state:D stack:0     pid:5098  tgid:5098  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:eab11d84 r9:829174a8 r8:60000013 r7:829174a8 r6:eab11d8c r5:86149800
 r4:86149800
[<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:86149800 r4:829174a4
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab11e08
 r4:00000000
[<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860fcb40
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:86149800 r7:00000000 r6:83018400 r5:00001000 r4:7f02d000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:e02b1000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:860d1b94 r4:85dd3e00
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:dddcfb40 r6:83018400 r5:860d1b94 r4:85dd3e00
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:86149800 r8:85dd3e2c r7:82804d80 r6:dddcfb40 r5:dddcfb60
 r4:85dd3e00
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85dd3e00 r8:802762fc r7:eac31e60 r6:85dd3e80 r5:86149800
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeab11fb0 to 0xeab11ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:85f18ec0
INFO: task kworker/0:262:5098 is blocked on a mutex likely owned by task kworker/1:218:5088.
task:kworker/1:218   state:R  running task     stack:0     pid:5088  tgid:5088  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280c9f8 r9:86148000 r8:80200c04 r7:eaaddd54 r6:ffffffff r5:86148000
 r4:00000000
[<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeaaddd20 to 0xeaaddd68)
dd20: d3bd0000 ebd13000 00000001 80239018 7f00f000 00000001 82ace204 82acd5e0
dd40: 7f00f000 ebd13000 8280c9f8 eaaddd9c eaaddda0 eaaddd70 8022fe10 80239030
dd60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eaadddc0 r5:eaadde08
 r4:eaadddc0
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860fc140
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:86148000 r7:00000000 r6:83018600 r5:00001000 r4:7f051000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:eac17000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:860dbf94 r4:86101b00
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:860dbf94 r4:86101b00
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:86148000 r8:86101b2c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:86101b00
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:86101b00 r8:802762fc r7:eab99e60 r6:85dd3180 r5:86148000
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeaaddfb0 to 0xeaaddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:860f9180
INFO: task kworker/0:263:5100 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:263   state:D stack:0     pid:5100  tgid:5100  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1a5c>] (__schedule) from [<81ab2d08>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:eab0dd84 r9:829174a8 r8:60000013 r7:829174a8 r6:eab0dd8c r5:8613b000
 r4:8613b000
[<81ab2cdc>] (schedule) from [<81ab2e90>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:8613b000 r4:829174a4
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab2e78>] (schedule_preempt_disabled) from [<81ab6514>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab5ebc>] (__mutex_lock.constprop.0) from [<81ab6f1c>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9a4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab0de08
 r4:00000000
[<81ab6f08>] (__mutex_lock_slowpath) from [<81ab6f5c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab6f20>] (mutex_lock) from [<804f4350>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860f7ec0
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8613b000 r7:00000000 r6:83018400 r5:00001000 r4:7f031000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:ea743000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:860d3394 r4:85dd3f80
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:dddcfb40 r6:83018400 r5:860d3394 r4:85dd3f80
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:8613b000 r8:85dd3fac r7:82804d80 r6:dddcfb40 r5:dddcfb60
 r4:85dd3f80
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85dd3f80 r8:802762fc r7:eac31e60 r6:85dd3780 r5:8613b000
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeab0dfb0 to 0xeab0dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:860fcf80
INFO: task kworker/0:263:5100 is blocked on a mutex likely owned by task kworker/1:218:5088.
task:kworker/1:218   state:R  running task     stack:0     pid:5088  tgid:5088  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1a5c>] (__schedule) from [<81ab313c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280c9f8 r9:86148000 r8:80200c04 r7:eaaddd54 r6:ffffffff r5:86148000
 r4:00000000
[<81ab30fc>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeaaddd20 to 0xeaaddd68)
dd20: d3bd0000 ebd13000 00000001 80239018 7f00f000 00000001 82ace204 82acd5e0
dd40: 7f00f000 ebd13000 8280c9f8 eaaddd9c eaaddda0 eaaddd70 8022fe10 80239030
dd60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f4114>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3e90>] (__purge_vmap_area_lazy) from [<804f44cc>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eaadddc0 r5:eaadde08
 r4:eaadddc0
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f42e8>] (_vm_unmap_aliases) from [<804f8138>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860fc140
 r4:00000000
[<804f7fcc>] (vfree) from [<80563f44>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:86148000 r7:00000000 r6:83018600 r5:00001000 r4:7f051000
[<80563f14>] (execmem_free) from [<803cb234>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:eac17000
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb224>] (bpf_jit_free_exec) from [<803cb614>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5ac>] (bpf_jit_free) from [<803cc73c>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:860dbf94 r4:86101b00
[<803cc5fc>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:860dbf94 r4:86101b00
[<80275c04>] (process_one_work) from [<802764f8>] (process_scheduled_works kernel/workqueue.c:3340 [inline])
[<80275c04>] (process_one_work) from [<802764f8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3421)
 r10:61c88647 r9:86148000 r8:86101b2c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:86101b00
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:86101b00 r8:802762fc r7:eab99e60 r6:85dd3180 r5:86148000
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeaaddfb0 to 0xeaaddff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:860f9180
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
Call trace: 
[<80201a74>] (dump_backtrace) from [<80201b70>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:00000000 r6:00000013 r5:60000093 r4:822957d8
[<80201b58>] (show_stack) from [<8021edec>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201b58>] (show_stack) from [<8021edec>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120)
[<8021ed7c>] (dump_stack_lvl) from [<8021ee10>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r5:00000000 r4:00000001
[<8021edf8>] (dump_stack) from [<81a9b540>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113)
[<81a9b3e0>] (nmi_cpu_backtrace) from [<81a9b68c>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62)
 r7:00000000 r6:8280c6d0 r5:8281af1c r4:ffffffff
[<81a9b55c>] (nmi_trigger_cpumask_backtrace) from [<8022f818>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852)
 r9:00007c0c r8:8280c850 r7:0001ee1b r6:00007c0c r5:82ac27e4 r4:00000048
[<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa319c>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline])
[<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa319c>] (__sys_info lib/sys_info.c:157 [inline])
[<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa319c>] (sys_info+0x68/0xa8 lib/sys_info.c:165)
[<81aa3134>] (sys_info) from [<80383780>] (check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline])
[<81aa3134>] (sys_info) from [<80383780>] (watchdog+0x464/0x8a0 kernel/hung_task.c:515)
 r5:82ac27e4 r4:86358b0c
[<8038331c>] (watchdog) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:00000000 r8:8038331c r7:832d4180 r6:832d4180 r5:832e2400
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
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
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:838c6500
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 2816 Comm: pr/ttyAMA-1 Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
PC is at __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
PC is at _raw_spin_unlock_irqrestore+0x28/0x54 kernel/locking/spinlock.c:194
LR is at spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
LR is at __uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]
LR is at pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603
pc : [<81abc6b0>]    lr : [<80aa3868>]    psr: 60000113
sp : eb219eb0  ip : eb219ec0  fp : eb219ebc
r10: 82959bc4  r9 : 00000001  r8 : 00000000
r7 : 00000117  r6 : 82959b28  r5 : 00000000  r4 : 00000001
r3 : 0000082f  r2 : 00000000  r1 : 60000113  r0 : 84529c40
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
Control: 30c5387d  Table: 833c8400  DAC: 00000000
Call trace: 
[<81abc688>] (_raw_spin_unlock_irqrestore) from [<80aa3868>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline])
[<81abc688>] (_raw_spin_unlock_irqrestore) from [<80aa3868>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline])
[<81abc688>] (_raw_spin_unlock_irqrestore) from [<80aa3868>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603)
[<80aa3848>] (pl011_console_device_unlock) from [<802e5720>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1149)
[<802e5698>] (nbcon_emit_one) from [<802e59a0>] (nbcon_kthread_func+0x208/0x2e4 kernel/printk/nbcon.c:1255)
 r6:82abf0fc r5:82959b28 r4:83ff2400
[<802e5798>] (nbcon_kthread_func) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:82959b28 r8:802e5798 r7:84b00000 r6:84b00000 r5:83ff2400
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeb219fb0 to 0xeb219ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:83909b40