INFO: task kworker/0:18:4142 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:18    state:D stack:0     pid:4142  tgid:4142  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:dfc99d84 r9:829174e8 r8:60000013 r7:829174e8 r6:dfc99d8c r5:83f51800
 r4:83f51800
[<81ab307c>] (schedule) from [<81ab3230>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:83f51800 r4:829174e4
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab625c>] (__mutex_lock.constprop.0) from [<81ab72bc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9e4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc99e08
 r4:00000000
[<81ab72a8>] (__mutex_lock_slowpath) from [<81ab72fc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab72c0>] (mutex_lock) from [<804f4368>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e64e80
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:83f51800 r7:00000000 r6:83018400 r5:00001000 r4:7f04b000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:e01f7000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e37f94 r4:85bc2900
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:dddcfb40 r6:83018400 r5:85e37f94 r4:85bc2900
[<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 r9:83f51800 r8:85bc292c r7:82804d80 r6:dddcfb40 r5:dddcfb60
 r4:85bc2900
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85bc2900 r8:802762fc r7:dfb39e60 r6:85bc2580 r5:83f51800
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfc99fb0 to 0xdfc99ff8)
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
 r4:85bba440
INFO: task kworker/0:18:4142 is blocked on a mutex likely owned by task kworker/1:289:5131.
task:kworker/1:289   state:R  running task     stack:0     pid:5131  tgid:5131  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab34dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280ca38 r9:85229800 r8:80200c04 r7:eac59d54 r6:ffffffff r5:85229800
 r4:00000000
[<81ab349c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeac59d20 to 0xeac59d68)
9d20: 9b69a000 ec107000 00000001 80239018 7f045000 00000001 82ace204 82acd5e0
9d40: 7f045000 ec107000 8280ca38 eac59d9c eac59da0 eac59d70 8022fe10 80239030
9d60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f412c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3ea8>] (__purge_vmap_area_lazy) from [<804f44e4>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eac59dc0 r5:eac59e08
 r4:eac59dc0
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e699c0
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85229800 r7:00000000 r6:83018600 r5:00001000 r4:7f06f000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:ead23000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e07394 r4:85e6c600
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:85e07394 r4:85e6c600
[<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 r9:85229800 r8:85e6c62c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:85e6c600
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85e6c600 r8:802762fc r7:eac25e60 r6:85b22480 r5:85229800
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeac59fb0 to 0xeac59ff8)
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
 r4:85e69240
INFO: task kworker/0:20:4150 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:20    state:D stack:0     pid:4150  tgid:4150  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:e8489d84 r9:829174e8 r8:60000113 r7:829174e8 r6:e8489d8c r5:83314800
 r4:83314800
[<81ab307c>] (schedule) from [<81ab3230>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:83314800 r4:829174e4
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab625c>] (__mutex_lock.constprop.0) from [<81ab72bc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9e4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8489e08
 r4:00000000
[<81ab72a8>] (__mutex_lock_slowpath) from [<81ab72fc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab72c0>] (mutex_lock) from [<804f4368>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e64d00
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:83314800 r7:00000000 r6:83018400 r5:00001000 r4:7f04d000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:ea58f000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e36394 r4:85bc2980
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:dddcfb40 r6:83018400 r5:85e36394 r4:85bc2980
[<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 r9:83314800 r8:85bc29ac r7:82804d80 r6:dddcfb40 r5:dddcfb60
 r4:85bc2980
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85bc2980 r8:802762fc r7:dfc99e60 r6:85bbe300 r5:83314800
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe8489fb0 to 0xe8489ff8)
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
 r4:85ba6900
INFO: task kworker/0:20:4150 is blocked on a mutex likely owned by task kworker/1:289:5131.
task:kworker/1:289   state:R  running task     stack:0     pid:5131  tgid:5131  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab34dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280ca38 r9:85229800 r8:80200c04 r7:eac59d54 r6:ffffffff r5:85229800
 r4:00000000
[<81ab349c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeac59d20 to 0xeac59d68)
9d20: 9b8ec000 ec107000 00000001 80239018 7f045000 00000001 82ace204 82acd5e0
9d40: 7f045000 ec107000 8280ca38 eac59d9c eac59da0 eac59d70 8022fe10 80239030
9d60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f412c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3ea8>] (__purge_vmap_area_lazy) from [<804f44e4>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eac59dc0 r5:eac59e08
 r4:eac59dc0
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e699c0
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85229800 r7:00000000 r6:83018600 r5:00001000 r4:7f06f000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:ead23000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e07394 r4:85e6c600
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:85e07394 r4:85e6c600
[<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 r9:85229800 r8:85e6c62c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:85e6c600
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85e6c600 r8:802762fc r7:eac25e60 r6:85b22480 r5:85229800
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeac59fb0 to 0xeac59ff8)
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
 r4:85e69240
INFO: task kworker/0:21:4153 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:21    state:D stack:0     pid:4153  tgid:4153  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:e03e9d84 r9:829174e8 r8:60000013 r7:829174e8 r6:e03e9d8c r5:83932400
 r4:83932400
[<81ab307c>] (schedule) from [<81ab3230>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:83932400 r4:829174e4
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab625c>] (__mutex_lock.constprop.0) from [<81ab72bc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9e4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e03e9e08
 r4:00000000
[<81ab72a8>] (__mutex_lock_slowpath) from [<81ab72fc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab72c0>] (mutex_lock) from [<804f4368>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e649c0
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:83932400 r7:00000000 r6:83018400 r5:00001000 r4:7f047000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:dfc21000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e37794 r4:85bc2d80
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:dddcfb40 r6:83018400 r5:85e37794 r4:85bc2d80
[<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 r9:83932400 r8:85bc2dac r7:82804d80 r6:dddcfb40 r5:dddcfb60
 r4:85bc2d80
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85bc2d80 r8:802762fc r7:dfc99e60 r6:85bbe500 r5:83932400
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe03e9fb0 to 0xe03e9ff8)
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
 r4:85ba9100
INFO: task kworker/0:21:4153 is blocked on a mutex likely owned by task kworker/1:289:5131.
task:kworker/1:289   state:R  running task     stack:0     pid:5131  tgid:5131  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab34dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280ca38 r9:85229800 r8:80200c04 r7:eac59d54 r6:ffffffff r5:85229800
 r4:00000000
[<81ab349c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeac59d20 to 0xeac59d68)
9d20: 9b8ec000 ec107000 00000001 80239018 7f045000 00000001 82ace204 82acd5e0
9d40: 7f045000 ec107000 8280ca38 eac59d9c eac59da0 eac59d70 8022fe10 80239030
9d60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f412c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3ea8>] (__purge_vmap_area_lazy) from [<804f44e4>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eac59dc0 r5:eac59e08
 r4:eac59dc0
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e699c0
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85229800 r7:00000000 r6:83018600 r5:00001000 r4:7f06f000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:ead23000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e07394 r4:85e6c600
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:85e07394 r4:85e6c600
[<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 r9:85229800 r8:85e6c62c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:85e6c600
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85e6c600 r8:802762fc r7:eac25e60 r6:85b22480 r5:85229800
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeac59fb0 to 0xeac59ff8)
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
 r4:85e69240
INFO: task kworker/0:222:5108 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:222   state:D stack:0     pid:5108  tgid:5108  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:eac6dd84 r9:829174e8 r8:60000113 r7:829174e8 r6:eac6dd8c r5:85228c00
 r4:85228c00
[<81ab307c>] (schedule) from [<81ab3230>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:85228c00 r4:829174e4
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab625c>] (__mutex_lock.constprop.0) from [<81ab72bc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9e4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac6de08
 r4:00000000
[<81ab72a8>] (__mutex_lock_slowpath) from [<81ab72fc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab72c0>] (mutex_lock) from [<804f4368>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e646c0
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:85228c00 r7:00000000 r6:83018400 r5:00001000 r4:7f071000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:ead45000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e37394 r4:85b22200
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:dddcfb40 r6:83018400 r5:85e37394 r4:85b22200
[<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 r9:85228c00 r8:85b2222c r7:82804d80 r6:dddcfb40 r5:dddcfb60
 r4:85b22200
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85b22200 r8:802762fc r7:eaba1e60 r6:85b22280 r5:85228c00
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeac6dfb0 to 0xeac6dff8)
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
 r4:85b19f40
INFO: task kworker/0:222:5108 is blocked on a mutex likely owned by task kworker/1:289:5131.
task:kworker/1:289   state:R  running task     stack:0     pid:5131  tgid:5131  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab34dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280ca38 r9:85229800 r8:80200c04 r7:eac59d54 r6:ffffffff r5:85229800
 r4:00000000
[<81ab349c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeac59d20 to 0xeac59d68)
9d20: 9b8ec000 ec107000 00000001 80239018 7f045000 00000001 82ace204 82acd5e0
9d40: 7f045000 ec107000 8280ca38 eac59d9c eac59da0 eac59d70 8022fe10 80239030
9d60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f412c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3ea8>] (__purge_vmap_area_lazy) from [<804f44e4>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eac59dc0 r5:eac59e08
 r4:eac59dc0
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e699c0
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85229800 r7:00000000 r6:83018600 r5:00001000 r4:7f06f000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:ead23000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e07394 r4:85e6c600
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:85e07394 r4:85e6c600
[<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 r9:85229800 r8:85e6c62c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:85e6c600
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85e6c600 r8:802762fc r7:eac25e60 r6:85b22480 r5:85229800
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeac59fb0 to 0xeac59ff8)
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
 r4:85e69240
INFO: task kworker/0:223:5121 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:223   state:D stack:0     pid:5121  tgid:5121  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:eabe5d84 r9:829174e8 r8:60000013 r7:829174e8 r6:eabe5d8c r5:851e3c00
 r4:851e3c00
[<81ab307c>] (schedule) from [<81ab3230>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:851e3c00 r4:829174e4
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab625c>] (__mutex_lock.constprop.0) from [<81ab72bc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9e4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabe5e08
 r4:00000000
[<81ab72a8>] (__mutex_lock_slowpath) from [<81ab72fc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab72c0>] (mutex_lock) from [<804f4368>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e64480
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:851e3c00 r7:00000000 r6:83018400 r5:00001000 r4:7f04f000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:ea6c3000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e35394 r4:85b22500
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:dddcfb40 r6:83018400 r5:85e35394 r4:85b22500
[<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 r9:851e3c00 r8:85b2252c r7:82804d80 r6:dddcfb40 r5:dddcfb60
 r4:85b22500
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85b22500 r8:802762fc r7:e8489e60 r6:85e6c300 r5:851e3c00
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeabe5fb0 to 0xeabe5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8027f5d0
 r4:85e64300
INFO: task kworker/0:223:5121 is blocked on a mutex likely owned by task kworker/1:289:5131.
task:kworker/1:289   state:R  running task     stack:0     pid:5131  tgid:5131  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab34dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280ca38 r9:85229800 r8:80200c04 r7:eac59d54 r6:ffffffff r5:85229800
 r4:00000000
[<81ab349c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeac59d20 to 0xeac59d68)
9d20: 9b8ec000 ec107000 00000001 80239018 7f045000 00000001 82ace204 82acd5e0
9d40: 7f045000 ec107000 8280ca38 eac59d9c eac59da0 eac59d70 8022fe10 80239030
9d60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f412c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3ea8>] (__purge_vmap_area_lazy) from [<804f44e4>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eac59dc0 r5:eac59e08
 r4:eac59dc0
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e699c0
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85229800 r7:00000000 r6:83018600 r5:00001000 r4:7f06f000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:ead23000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e07394 r4:85e6c600
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:85e07394 r4:85e6c600
[<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 r9:85229800 r8:85e6c62c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:85e6c600
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85e6c600 r8:802762fc r7:eac25e60 r6:85b22480 r5:85229800
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeac59fb0 to 0xeac59ff8)
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
 r4:85e69240
INFO: task kworker/1:290:5134 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:290   state:D stack:0     pid:5134  tgid:5134  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:eacedd84 r9:829174e8 r8:60000013 r7:829174e8 r6:eacedd8c r5:8522a400
 r4:8522a400
[<81ab307c>] (schedule) from [<81ab3230>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:8522a400 r4:829174e4
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab625c>] (__mutex_lock.constprop.0) from [<81ab72bc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9e4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacede08
 r4:00000000
[<81ab72a8>] (__mutex_lock_slowpath) from [<81ab72fc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab72c0>] (mutex_lock) from [<804f4368>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b25b00
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:8522a400 r7:00000000 r6:83018600 r5:00001000 r4:7f075000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:eada5000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e11b94 r4:85e6cc80
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:85e11b94 r4:85e6cc80
[<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 r9:8522a400 r8:85e6ccac r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:85e6cc80
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85e6cc80 r8:802762fc r7:eac2de60 r6:85b22380 r5:8522a400
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeacedfb0 to 0xeacedff8)
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
 r4:85e69940
INFO: task kworker/1:290:5134 is blocked on a mutex likely owned by task kworker/1:289:5131.
task:kworker/1:289   state:R  running task     stack:0     pid:5131  tgid:5131  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab34dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280ca38 r9:85229800 r8:80200c04 r7:eac59d54 r6:ffffffff r5:85229800
 r4:00000000
[<81ab349c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeac59d20 to 0xeac59d68)
9d20: 9b8ec000 ec107000 00000001 80239018 7f045000 00000001 82ace204 82acd5e0
9d40: 7f045000 ec107000 8280ca38 eac59d9c eac59da0 eac59d70 8022fe10 80239030
9d60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f412c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3ea8>] (__purge_vmap_area_lazy) from [<804f44e4>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eac59dc0 r5:eac59e08
 r4:eac59dc0
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e699c0
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85229800 r7:00000000 r6:83018600 r5:00001000 r4:7f06f000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:ead23000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e07394 r4:85e6c600
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:85e07394 r4:85e6c600
[<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 r9:85229800 r8:85e6c62c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:85e6c600
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85e6c600 r8:802762fc r7:eac25e60 r6:85b22480 r5:85229800
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeac59fb0 to 0xeac59ff8)
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
 r4:85e69240
INFO: task kworker/1:291:5136 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:291   state:D stack:0     pid:5136  tgid:5136  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:ead49d84 r9:829174e8 r8:60000013 r7:829174e8 r6:ead49d8c r5:84f70000
 r4:84f70000
[<81ab307c>] (schedule) from [<81ab3230>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:84f70000 r4:829174e4
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab625c>] (__mutex_lock.constprop.0) from [<81ab72bc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9e4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead49e08
 r4:00000000
[<81ab72a8>] (__mutex_lock_slowpath) from [<81ab72fc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab72c0>] (mutex_lock) from [<804f4368>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e69f00
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:84f70000 r7:00000000 r6:83018600 r5:00001000 r4:7f073000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:ead7d000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e10394 r4:85e6cd00
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:85e10394 r4:85e6cd00
[<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 r9:84f70000 r8:85e6cd2c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:85e6cd00
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85e6cd00 r8:802762fc r7:eac2de60 r6:85e6ce00 r5:84f70000
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xead49fb0 to 0xead49ff8)
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
 r4:85e69a80
INFO: task kworker/1:291:5136 is blocked on a mutex likely owned by task kworker/1:289:5131.
task:kworker/1:289   state:R  running task     stack:0     pid:5131  tgid:5131  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab34dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280ca38 r9:85229800 r8:80200c04 r7:eac59d54 r6:ffffffff r5:85229800
 r4:00000000
[<81ab349c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeac59d20 to 0xeac59d68)
9d20: 9b8ec000 ec107000 00000001 80239018 7f045000 00000001 82ace204 82acd5e0
9d40: 7f045000 ec107000 8280ca38 eac59d9c eac59da0 eac59d70 8022fe10 80239030
9d60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f412c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3ea8>] (__purge_vmap_area_lazy) from [<804f44e4>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eac59dc0 r5:eac59e08
 r4:eac59dc0
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e699c0
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85229800 r7:00000000 r6:83018600 r5:00001000 r4:7f06f000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:ead23000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e07394 r4:85e6c600
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:85e07394 r4:85e6c600
[<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 r9:85229800 r8:85e6c62c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:85e6c600
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85e6c600 r8:802762fc r7:eac25e60 r6:85b22480 r5:85229800
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeac59fb0 to 0xeac59ff8)
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
 r4:85e69240
INFO: task kworker/1:292:5139 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:292   state:D stack:0     pid:5139  tgid:5139  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:eada9d84 r9:829174e8 r8:60000013 r7:829174e8 r6:eada9d8c r5:84f71800
 r4:84f71800
[<81ab307c>] (schedule) from [<81ab3230>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:84f71800 r4:829174e4
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab625c>] (__mutex_lock.constprop.0) from [<81ab72bc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9e4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eada9e08
 r4:00000000
[<81ab72a8>] (__mutex_lock_slowpath) from [<81ab72fc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab72c0>] (mutex_lock) from [<804f4368>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b10880
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:84f71800 r7:00000000 r6:83018600 r5:00001000 r4:7f077000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:eadcd000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e12b94 r4:85e6cf80
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:85e12b94 r4:85e6cf80
[<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 r9:84f71800 r8:85e6cfac r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:85e6cf80
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85e6cf80 r8:802762fc r7:eacede60 r6:85b1db80 r5:84f71800
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeada9fb0 to 0xeada9ff8)
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
 r4:85e69cc0
INFO: task kworker/1:292:5139 is blocked on a mutex likely owned by task kworker/1:289:5131.
task:kworker/1:289   state:R  running task     stack:0     pid:5131  tgid:5131  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab34dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280ca38 r9:85229800 r8:80200c04 r7:eac59d54 r6:ffffffff r5:85229800
 r4:00000000
[<81ab349c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeac59d20 to 0xeac59d68)
9d20: 9b8ec000 ec107000 00000001 80239018 7f045000 00000001 82ace204 82acd5e0
9d40: 7f045000 ec107000 8280ca38 eac59d9c eac59da0 eac59d70 8022fe10 80239030
9d60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f412c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3ea8>] (__purge_vmap_area_lazy) from [<804f44e4>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eac59dc0 r5:eac59e08
 r4:eac59dc0
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e699c0
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85229800 r7:00000000 r6:83018600 r5:00001000 r4:7f06f000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:ead23000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e07394 r4:85e6c600
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:85e07394 r4:85e6c600
[<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 r9:85229800 r8:85e6c62c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:85e6c600
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85e6c600 r8:802762fc r7:eac25e60 r6:85b22480 r5:85229800
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeac59fb0 to 0xeac59ff8)
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
 r4:85e69240
INFO: task kworker/0:224:5140 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:224   state:D stack:0     pid:5140  tgid:5140  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:ead81d84 r9:829174e8 r8:60000013 r7:829174e8 r6:ead81d8c r5:84f72400
 r4:84f72400
[<81ab307c>] (schedule) from [<81ab3230>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:84f72400 r4:829174e4
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab625c>] (__mutex_lock.constprop.0) from [<81ab72bc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9e4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ead81e08
 r4:00000000
[<81ab72a8>] (__mutex_lock_slowpath) from [<81ab72fc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab72c0>] (mutex_lock) from [<804f4368>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e64bc0
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:84f72400 r7:00000000 r6:83018400 r5:00001000 r4:7f049000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:dfd35000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e37b94 r4:85b22600
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:dddcfb40 r6:83018400 r5:85e37b94 r4:85b22600
[<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 r9:84f72400 r8:85b2262c r7:82804d80 r6:dddcfb40 r5:dddcfb60
 r4:85b22600
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85b22600 r8:802762fc r7:dfc99e60 r6:85e6f080 r5:84f72400
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xead81fb0 to 0xead81ff8)
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
 r4:85e64640
INFO: task kworker/0:224:5140 is blocked on a mutex likely owned by task kworker/1:289:5131.
task:kworker/1:289   state:R  running task     stack:0     pid:5131  tgid:5131  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab34dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280ca38 r9:85229800 r8:80200c04 r7:eac59d54 r6:ffffffff r5:85229800
 r4:00000000
[<81ab349c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeac59d20 to 0xeac59d68)
9d20: 9b8ec000 ec107000 00000001 80239018 7f045000 00000001 82ace204 82acd5e0
9d40: 7f045000 ec107000 8280ca38 eac59d9c eac59da0 eac59d70 8022fe10 80239030
9d60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f412c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3ea8>] (__purge_vmap_area_lazy) from [<804f44e4>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eac59dc0 r5:eac59e08
 r4:eac59dc0
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e699c0
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85229800 r7:00000000 r6:83018600 r5:00001000 r4:7f06f000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:ead23000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e07394 r4:85e6c600
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:85e07394 r4:85e6c600
[<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 r9:85229800 r8:85e6c62c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:85e6c600
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85e6c600 r8:802762fc r7:eac25e60 r6:85b22480 r5:85229800
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeac59fb0 to 0xeac59ff8)
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
 r4:85e69240
INFO: task kworker/0:225:5145 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:225   state:D stack:0     pid:5145  tgid:5145  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (__schedule_loop kernel/sched/core.c:6945 [inline])
[<81ab1dfc>] (__schedule) from [<81ab30a8>] (schedule+0x2c/0x130 kernel/sched/core.c:6960)
 r10:eacfdd84 r9:829174e8 r8:60000113 r7:829174e8 r6:eacfdd8c r5:8522b000
 r4:8522b000
[<81ab307c>] (schedule) from [<81ab3230>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7017)
 r5:8522b000 r4:829174e4
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81ab3218>] (schedule_preempt_disabled) from [<81ab68b4>] (__mutex_lock.constprop.0+0x658/0xf8c kernel/locking/mutex.c:776)
[<81ab625c>] (__mutex_lock.constprop.0) from [<81ab72bc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c9e4 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eacfde08
 r4:00000000
[<81ab72a8>] (__mutex_lock_slowpath) from [<81ab72fc>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81ab72c0>] (mutex_lock) from [<804f4368>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2944)
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e64500
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018405 r8:8522b000 r7:00000000 r6:83018400 r5:00001000 r4:7f051000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:ea8e5000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e36794 r4:85b22780
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:dddcfb40 r6:83018400 r5:85e36794 r4:85b22780
[<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 r9:8522b000 r8:85b227ac r7:82804d80 r6:dddcfb40 r5:dddcfb60
 r4:85b22780
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85b22780 r8:802762fc r7:e8489e60 r6:85b22800 r5:8522b000
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeacfdfb0 to 0xeacfdff8)
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
 r4:85e64c40
INFO: task kworker/0:225:5145 is blocked on a mutex likely owned by task kworker/1:289:5131.
task:kworker/1:289   state:R  running task     stack:0     pid:5131  tgid:5131  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81ab1dfc>] (__schedule) from [<81ab34dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7190)
 r10:8280ca38 r9:85229800 r8:80200c04 r7:eac59d54 r6:ffffffff r5:85229800
 r4:00000000
[<81ab349c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xeac59d20 to 0xeac59d68)
9d20: 9b8ec000 ec107000 00000001 80239018 7f045000 00000001 82ace204 82acd5e0
9d40: 7f045000 ec107000 8280ca38 eac59d9c eac59da0 eac59d70 8022fe10 80239030
9d60: 80000013 ffffffff
 r5:80000013 r4:80239030
[<8022fdac>] (flush_tlb_kernel_range) from [<804f412c>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2369)
 r4:82ace224
[<804f3ea8>] (__purge_vmap_area_lazy) from [<804f44e4>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2983)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:eac59dc0 r5:eac59e08
 r4:eac59dc0
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vm_reset_perms mm/vmalloc.c:3375 [inline])
[<804f4300>] (_vm_unmap_aliases) from [<804f8150>] (vfree+0x16c/0x210 mm/vmalloc.c:3454)
 r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85e699c0
 r4:00000000
[<804f7fe4>] (vfree) from [<80563f5c>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83018605 r8:85229800 r7:00000000 r6:83018600 r5:00001000 r4:7f06f000
[<80563f2c>] (execmem_free) from [<803cb24c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1068)
 r5:00001000 r4:ead23000
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_binary_free kernel/bpf/core.c:1114 [inline])
[<803cb23c>] (bpf_jit_free_exec) from [<803cb62c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1237)
[<803cb5c4>] (bpf_jit_free) from [<803cc754>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2935)
 r5:85e07394 r4:85e6c600
[<803cc614>] (bpf_prog_free_deferred) from [<80275db8>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3257)
 r7:ddde3b40 r6:83018600 r5:85e07394 r4:85e6c600
[<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 r9:85229800 r8:85e6c62c r7:82804d80 r6:ddde3b40 r5:ddde3b60
 r4:85e6c600
[<802762fc>] (worker_thread) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:85e6c600 r8:802762fc r7:eac25e60 r6:85b22480 r5:85229800
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeac59fb0 to 0xeac59ff8)
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
 r4:85e69240
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 r6:000e0013 r5:600e0093 r4:82295830
[<80201b58>] (show_stack) from [<8021ee34>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201b58>] (show_stack) from [<8021ee34>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120)
[<8021edc4>] (dump_stack_lvl) from [<8021ee58>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r5:00000000 r4:00000001
[<8021ee40>] (dump_stack) from [<81a9b8e0>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113)
[<81a9b780>] (nmi_cpu_backtrace) from [<81a9ba2c>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62)
 r7:00000000 r6:8280c710 r5:8281af5c r4:ffffffff
[<81a9b8fc>] (nmi_trigger_cpumask_backtrace) from [<8022f818>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852)
 r9:00007bb0 r8:8280c890 r7:000222e5 r6:00007bb0 r5:82ac27e4 r4:00000048
[<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa353c>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline])
[<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa353c>] (__sys_info lib/sys_info.c:157 [inline])
[<8022f800>] (arch_trigger_cpumask_backtrace) from [<81aa353c>] (sys_info+0x68/0xa8 lib/sys_info.c:165)
[<81aa34d4>] (sys_info) from [<80383780>] (check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline])
[<81aa34d4>] (sys_info) from [<80383780>] (watchdog+0x464/0x8a0 kernel/hung_task.c:515)
 r5:82ac27e4 r4:860b200c
[<8038331c>] (watchdog) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:00000000 r8:8038331c r7:830d6400 r6:830d6400 r5:8321c800
 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
 r4:832dbf40
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 2820 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 : [<81abca50>]    lr : [<80aa3928>]    psr: 60000013
sp : eb329eb0  ip : eb329ec0  fp : eb329ebc
r10: 82959c04  r9 : 00000001  r8 : 00000000
r7 : 00000117  r6 : 82959b68  r5 : 00000000  r4 : 00000001
r3 : 000008c9  r2 : 00000000  r1 : 60000013  r0 : 8454dc40
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
Control: 30c5387d  Table: 85299ec0  DAC: 00000000
Call trace: 
[<81abca28>] (_raw_spin_unlock_irqrestore) from [<80aa3928>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline])
[<81abca28>] (_raw_spin_unlock_irqrestore) from [<80aa3928>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline])
[<81abca28>] (_raw_spin_unlock_irqrestore) from [<80aa3928>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603)
[<80aa3908>] (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 r5:82959b68 r4:83f5b000
[<802e5798>] (nbcon_kthread_func) from [<8027f6fc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:82959b68 r8:802e5798 r7:84f1a800 r6:84f1a800 r5:83f5b000
 r4:00000001
[<8027f5d0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeb329fb0 to 0xeb329ff8)
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
 r4:830a0240