INFO: task kworker/0:0:9 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0     state:D stack:0     pid:9     tgid:9     ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:df83dd84 r9:00000002 r8:60000013 r7:82916594 r6:df83dd8c r5:8320e000
 r4:8320e000
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:8320e000 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df83de08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:847d1cc0
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018005 r8:8320e000 r7:00000000 r6:83018000 r5:00001000 r4:7f015000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:df9fd000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:84f4cf8c r4:830b9400
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:dddced40 r6:83018000 r5:84f4cf8c r4:830b9400
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:8320e000 r8:830b942c r7:82804d40 r6:dddced40 r5:dddced60
 r4:830b9400
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:830b9400 r8:8027ade4 r7:df819e48 r6:830b9480 r5:8320e000
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf83dfb0 to 0xdf83dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281ea0
 r4:830b6200
INFO: task kworker/0:0:9 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 9765e000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
INFO: task kworker/0:31:5406 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:31    state:D stack:0     pid:5406  tgid:5406  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfb7dd84 r9:00000002 r8:60000113 r7:82916594 r6:dfb7dd8c r5:854d3000
 r4:854d3000
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:854d3000 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb7de08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:847d1500
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018005 r8:854d3000 r7:00000000 r6:83018000 r5:00001000 r4:7f049000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfdbf000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487db8c r4:84930d00
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:dddced40 r6:83018000 r5:8487db8c r4:84930d00
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:854d3000 r8:84930d2c r7:82804d40 r6:dddced40 r5:dddced60
 r4:84930d00
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:84930d00 r8:8027ade4 r7:e0499e60 r6:84930c80 r5:854d3000
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfb7dfb0 to 0xdfb7dff8)
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 r5:80281ea0
 r4:8489dbc0
INFO: task kworker/0:31:5406 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 979bb000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
INFO: task kworker/0:33:5472 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:33    state:D stack:0     pid:5472  tgid:5472  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfbe9d84 r9:00000002 r8:60000013 r7:82916594 r6:dfbe9d8c r5:856b3000
 r4:856b3000
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:856b3000 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbe9e08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846e7200
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018005 r8:856b3000 r7:00000000 r6:83018000 r5:00001000 r4:7f035000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfb51000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:856e538c r4:847c3880
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:dddced40 r6:83018000 r5:856e538c r4:847c3880
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:856b3000 r8:847c38ac r7:82804d40 r6:dddced40 r5:dddced60
 r4:847c3880
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c3880 r8:8027ade4 r7:dfb7de60 r6:847c3900 r5:856b3000
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfbe9fb0 to 0xdfbe9ff8)
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 r5:80281ea0
 r4:846ebec0
INFO: task kworker/0:33:5472 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 97a5a000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
INFO: task kworker/1:78:5510 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:78    state:D stack:0     pid:5510  tgid:5510  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfe65d84 r9:00000002 r8:60000113 r7:82916594 r6:dfe65d8c r5:85711800
 r4:85711800
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:85711800 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe65e08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:847d1d80
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85711800 r7:00000000 r6:83018200 r5:00001000 r4:7f029000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfa93000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:84f4fb8c r4:847c2b80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:84f4fb8c r4:847c2b80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85711800 r8:847c2bac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2b80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2b80 r8:8027ade4 r7:dfde9e60 r6:84710f80 r5:85711800
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe65fb0 to 0xdfe65ff8)
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 r5:80281ea0
 r4:8489dd80
INFO: task kworker/1:78:5510 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 97a5a000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
INFO: task kworker/1:83:5527 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:83    state:D stack:0     pid:5527  tgid:5527  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfea1d84 r9:00000002 r8:60000013 r7:82916594 r6:dfea1d8c r5:84093000
 r4:84093000
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:84093000 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfea1e08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:847544c0
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:84093000 r7:00000000 r6:83018200 r5:00001000 r4:7f047000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfcb3000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487d38c r4:847c2f00
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487d38c r4:847c2f00
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:84093000 r8:847c2f2c r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2f00
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2f00 r8:8027ade4 r7:dfe65e60 r6:847bf200 r5:84093000
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfea1fb0 to 0xdfea1ff8)
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 r5:80281ea0
 r4:84754240
INFO: task kworker/1:83:5527 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 97ccf000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
INFO: task kworker/1:84:5528 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:84    state:D stack:0     pid:5528  tgid:5528  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfea5d84 r9:00000002 r8:60000013 r7:82916594 r6:dfea5d8c r5:84f20000
 r4:84f20000
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:84f20000 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfea5e08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:847d1080
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:84f20000 r7:00000000 r6:83018200 r5:00001000 r4:7f043000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfc0b000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:84f4df8c r4:847c2f80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:84f4df8c r4:847c2f80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:84f20000 r8:847c2fac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2f80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2f80 r8:8027ade4 r7:dfea1e60 r6:847bf300 r5:84f20000
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfea5fb0 to 0xdfea5ff8)
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 r5:80281ea0
 r4:84754240
INFO: task kworker/1:84:5528 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 97e99000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
INFO: task kworker/1:85:5533 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:85    state:D stack:0     pid:5533  tgid:5533  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfeb1d84 r9:00000002 r8:60000013 r7:82916594 r6:dfeb1d8c r5:84f20c00
 r4:84f20c00
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:84f20c00 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfeb1e08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84709d80
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:84f20c00 r7:00000000 r6:83018200 r5:00001000 r4:7f039000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfb67000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487f78c r4:847c2c00
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487f78c r4:847c2c00
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:84f20c00 r8:847c2c2c r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2c00
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2c00 r8:8027ade4 r7:dfe65e60 r6:847bf380 r5:84f20c00
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfeb1fb0 to 0xdfeb1ff8)
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 r5:80281ea0
 r4:847542c0
INFO: task kworker/1:85:5533 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 97f47000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
INFO: task kworker/1:86:5536 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:86    state:D stack:0     pid:5536  tgid:5536  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfeadd84 r9:00000002 r8:60000013 r7:82916594 r6:dfeadd8c r5:84f22400
 r4:84f22400
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:84f22400 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfeade08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754d00
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:84f22400 r7:00000000 r6:83018200 r5:00001000 r4:7f013000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:df9f9000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487e78c r4:847c2580
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487e78c r4:847c2580
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:84f22400 r8:847c25ac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2580
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2580 r8:8027ade4 r7:dfeb1e60 r6:847bf400 r5:84f22400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfeadfb0 to 0xdfeadff8)
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 r5:80281ea0
 r4:84754800
INFO: task kworker/1:86:5536 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 987ad000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
INFO: task kworker/0:34:5537 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:34    state:D stack:0     pid:5537  tgid:5537  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfeb5d84 r9:00000002 r8:60000113 r7:82916594 r6:dfeb5d8c r5:84f23000
 r4:84f23000
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:84f23000 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfeb5e08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754ac0
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018005 r8:84f23000 r7:00000000 r6:83018000 r5:00001000 r4:7f04b000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfdf9000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487e38c r4:847bf480
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:dddced40 r6:83018000 r5:8487e38c r4:847bf480
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:84f23000 r8:847bf4ac r7:82804d40 r6:dddced40 r5:dddced60
 r4:847bf480
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847bf480 r8:8027ade4 r7:dfbe9e60 r6:847bf500 r5:84f23000
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfeb5fb0 to 0xdfeb5ff8)
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 r5:80281ea0
 r4:847d16c0
INFO: task kworker/0:34:5537 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 987ad000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
INFO: task kworker/0:35:5541 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:35    state:D stack:0     pid:5541  tgid:5541  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfef5d84 r9:00000002 r8:60000013 r7:82916594 r6:dfef5d8c r5:84f24800
 r4:84f24800
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:84f24800 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfef5e08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:847d1580
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018005 r8:84f24800 r7:00000000 r6:83018000 r5:00001000 r4:7f02b000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfaa3000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:85659b8c r4:847bf580
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:dddced40 r6:83018000 r5:85659b8c r4:847bf580
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:84f24800 r8:847bf5ac r7:82804d40 r6:dddced40 r5:dddced60
 r4:847bf580
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847bf580 r8:8027ade4 r7:dfbe9e60 r6:847bf600 r5:84f24800
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfef5fb0 to 0xdfef5ff8)
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 r5:80281ea0
 r4:847d1940
INFO: task kworker/0:35:5541 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 98914000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:36:5550 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:36    state:D stack:0     pid:5550  tgid:5550  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfa8dd84 r9:00000002 r8:60000013 r7:82916594 r6:dfa8dd8c r5:84f26c00
 r4:84f26c00
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:84f26c00 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa8de08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:847d15c0
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018005 r8:84f26c00 r7:00000000 r6:83018000 r5:00001000 r4:7f02d000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfaad000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:84f4d78c r4:847bf700
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:dddced40 r6:83018000 r5:84f4d78c r4:847bf700
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:84f26c00 r8:847bf72c r7:82804d40 r6:dddced40 r5:dddced60
 r4:847bf700
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847bf700 r8:8027ade4 r7:dfbe9e60 r6:847bf780 r5:84f26c00
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfa8dfb0 to 0xdfa8dff8)
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 r5:80281ea0
 r4:847d1d00
INFO: task kworker/0:36:5550 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 98914000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:37:5553 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:37    state:D stack:0     pid:5553  tgid:5553  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfa9dd84 r9:00000002 r8:60000113 r7:82916594 r6:dfa9dd8c r5:84f26000
 r4:84f26000
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:84f26000 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa9de08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846eb7c0
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018005 r8:84f26000 r7:00000000 r6:83018000 r5:00001000 r4:7f02f000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfac3000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:856e438c r4:847bf800
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:dddced40 r6:83018000 r5:856e438c r4:847bf800
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:84f26000 r8:847bf82c r7:82804d40 r6:dddced40 r5:dddced60
 r4:847bf800
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847bf800 r8:8027ade4 r7:dfbe9e60 r6:847bf880 r5:84f26000
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfa9dfb0 to 0xdfa9dff8)
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 r5:80281ea0
 r4:847d1300
INFO: task kworker/0:37:5553 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 98e4e000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:38:5556 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:38    state:D stack:0     pid:5556  tgid:5556  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfa91d84 r9:00000002 r8:60000013 r7:82916594 r6:dfa91d8c r5:84f21800
 r4:84f21800
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:84f21800 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa91e08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754700
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018005 r8:84f21800 r7:00000000 r6:83018000 r5:00001000 r4:7f031000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfb0b000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:856e4b8c r4:847bf980
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:dddced40 r6:83018000 r5:856e4b8c r4:847bf980
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:84f21800 r8:847bf9ac r7:82804d40 r6:dddced40 r5:dddced60
 r4:847bf980
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847bf980 r8:8027ade4 r7:dfbe9e60 r6:847bfa00 r5:84f21800
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfa91fb0 to 0xdfa91ff8)
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 r5:80281ea0
 r4:846eb840
INFO: task kworker/0:38:5556 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 99179000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:39:5559 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:39    state:D stack:0     pid:5559  tgid:5559  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfd4dd84 r9:00000002 r8:60000013 r7:82916594 r6:dfd4dd8c r5:85720c00
 r4:85720c00
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:85720c00 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd4de08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:846c6bc0
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018005 r8:85720c00 r7:00000000 r6:83018000 r5:00001000 r4:7f033000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfb39000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:856e478c r4:847bfb80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:dddced40 r6:83018000 r5:856e478c r4:847bfb80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85720c00 r8:847bfbac r7:82804d40 r6:dddced40 r5:dddced60
 r4:847bfb80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847bfb80 r8:8027ade4 r7:dfbe9e60 r6:847bfc00 r5:85720c00
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd4dfb0 to 0xdfd4dff8)
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 r5:80281ea0
 r4:84f7cb40
INFO: task kworker/0:39:5559 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 99179000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:41:5565 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:41    state:D stack:0     pid:5565  tgid:5565  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfe0dd84 r9:00000002 r8:60000013 r7:82916594 r6:dfe0dd8c r5:85723c00
 r4:85723c00
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:85723c00 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe0de08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84760900
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018005 r8:85723c00 r7:00000000 r6:83018000 r5:00001000 r4:7f037000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfc4f000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487ff8c r4:847bfd80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:dddced40 r6:83018000 r5:8487ff8c r4:847bfd80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85723c00 r8:847bfdac r7:82804d40 r6:dddced40 r5:dddced60
 r4:847bfd80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847bfd80 r8:8027ade4 r7:dfe09e60 r6:847bfe00 r5:85723c00
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe0dfb0 to 0xdfe0dff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:80281ea0
 r4:846e7380
INFO: task kworker/0:41:5565 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 99179000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:42:5568 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:42    state:D stack:0     pid:5568  tgid:5568  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfe15d84 r9:00000002 r8:60000113 r7:82916594 r6:dfe15d8c r5:85724800
 r4:85724800
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:85724800 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfe15e08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84748280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018005 r8:85724800 r7:00000000 r6:83018000 r5:00001000 r4:7f045000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfd81000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487fb8c r4:847bfe80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:dddced40 r6:83018000 r5:8487fb8c r4:847bfe80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85724800 r8:847bfeac r7:82804d40 r6:dddced40 r5:dddced60
 r4:847bfe80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847bfe80 r8:8027ade4 r7:dfe09e60 r6:847bff00 r5:85724800
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe15fb0 to 0xdfe15ff8)
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 r5:80281ea0
 r4:846e7380
INFO: task kworker/0:42:5568 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 99e80000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:88:5576 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:88    state:D stack:0     pid:5576  tgid:5576  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfbd1d84 r9:00000002 r8:60000013 r7:82916594 r6:dfbd1d8c r5:85725400
 r4:85725400
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:85725400 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfbd1e08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84748200
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85725400 r7:00000000 r6:83018200 r5:00001000 r4:7f03b000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfb89000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487f38c r4:847c8080
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487f38c r4:847c8080
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85725400 r8:847c80ac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c8080
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c8080 r8:8027ade4 r7:dfef1e60 r6:84fbb080 r5:85725400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfbd1fb0 to 0xdfbd1ff8)
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 r5:80281ea0
 r4:84709cc0
INFO: task kworker/1:88:5576 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 99e80000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:89:5579 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:89    state:D stack:0     pid:5579  tgid:5579  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfd65d84 r9:00000002 r8:60000013 r7:82916594 r6:dfd65d8c r5:85726000
 r4:85726000
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:85726000 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd65e08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84760140
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85726000 r7:00000000 r6:83018200 r5:00001000 r4:7f03d000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbab000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487ef8c r4:847c8100
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487ef8c r4:847c8100
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85726000 r8:847c812c r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c8100
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c8100 r8:8027ade4 r7:dfef1e60 r6:84fbb100 r5:85726000
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd65fb0 to 0xdfd65ff8)
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 r5:80281ea0
 r4:84748ac0
INFO: task kworker/1:89:5579 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 9a73e000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:90:5582 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:90    state:D stack:0     pid:5582  tgid:5582  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfd6dd84 r9:00000002 r8:60000113 r7:82916594 r6:dfd6dd8c r5:85722400
 r4:85722400
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:85722400 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd6de08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8476a340
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85722400 r7:00000000 r6:83018200 r5:00001000 r4:7f03f000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbbf000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487df8c r4:847c8180
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487df8c r4:847c8180
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85722400 r8:847c81ac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c8180
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c8180 r8:8027ade4 r7:dfef1e60 r6:84fbb180 r5:85722400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd6dfb0 to 0xdfd6dff8)
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 r5:80281ea0
 r4:847b28c0
INFO: task kworker/1:90:5582 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 9abbc000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/1:91:5586 blocked for more than 430 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:91    state:D stack:0     pid:5586  tgid:5586  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (__schedule_loop kernel/sched/core.c:7043 [inline])
[<81a3e31c>] (__schedule) from [<81a3f2b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7058)
 r10:dfd71d84 r9:00000002 r8:60000113 r7:82916594 r6:dfd71d8c r5:85723000
 r4:85723000
[<81a3f284>] (schedule) from [<81a3f698>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7115)
 r5:85723000 r4:82916590
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline])
[<81a3f680>] (schedule_preempt_disabled) from [<81a42248>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760)
[<81a41ef8>] (__mutex_lock.constprop.0) from [<81a429f0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049)
 r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd71e08
 r4:00000000
[<81a429dc>] (__mutex_lock_slowpath) from [<81a42a30>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274)
[<81a429f4>] (mutex_lock) from [<804e0618>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2912)
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8476a5c0
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85723000 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbe3000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487d78c r4:847c8200
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487d78c r4:847c8200
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85723000 r8:847c822c r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c8200
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c8200 r8:8027ade4 r7:dfef1e60 r6:84fbb200 r5:85723000
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd71fb0 to 0xdfd71ff8)
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 r5:80281ea0
 r4:8476a200
INFO: task kworker/1:91:5586 is blocked on a mutex likely owned by task kworker/1:82:5524.
task:kworker/1:82    state:R  running task     stack:0     pid:5524  tgid:5524  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81a3e31c>] (__schedule) from [<81a3f6e4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7288)
 r10:8280c9b4 r9:85715400 r8:80200c04 r7:dfe69d54 r6:ffffffff r5:85715400
 r4:00000000
[<81a3f6a4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfe69d20 to 0xdfe69d68)
9d20: 9b14f000 ec6e3000 00000001 80239bb8 7f013000 00000001 82ac8f44 82ac8320
9d40: 7f013000 ec6e3000 8280c9b4 dfe69d9c dfe69da0 dfe69d70 80230af0 80239bd0
9d60: 80000113 ffffffff
 r5:80000113 r4:80239bd0
[<80230a8c>] (flush_tlb_kernel_range) from [<804e03dc>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2336)
 r4:82ac8f64
[<804e0158>] (__purge_vmap_area_lazy) from [<804e0794>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2951)
 r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:dfe69dc0 r5:dfe69e08
 r4:dfe69dc0
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vm_reset_perms mm/vmalloc.c:3343 [inline])
[<804e05b0>] (_vm_unmap_aliases) from [<804e43f8>] (vfree+0x16c/0x210 mm/vmalloc.c:3422)
 r10:83016070 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84754280
 r4:00000000
[<804e428c>] (vfree) from [<8054d110>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83018205 r8:85715400 r7:00000000 r6:83018200 r5:00001000 r4:7f041000
[<8054d0e0>] (execmem_free) from [<803c326c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1084)
 r5:00001000 r4:dfbef000
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_binary_free kernel/bpf/core.c:1130 [inline])
[<803c325c>] (bpf_jit_free_exec) from [<803c364c>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1253)
[<803c35e4>] (bpf_jit_free) from [<803c46f4>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2925)
 r5:8487cb8c r4:847c2e80
[<803c45b4>] (bpf_prog_free_deferred) from [<8027a398>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3236)
 r7:ddde2d40 r6:83018200 r5:8487cb8c r4:847c2e80
[<8027a1e4>] (process_one_work) from [<8027afe0>] (process_scheduled_works kernel/workqueue.c:3319 [inline])
[<8027a1e4>] (process_one_work) from [<8027afe0>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3400)
 r10:61c88647 r9:85715400 r8:847c2eac r7:82804d40 r6:ddde2d40 r5:ddde2d60
 r4:847c2e80
[<8027ade4>] (worker_thread) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:847c2e80 r8:8027ade4 r7:dfe65e60 r6:847bf180 r5:85715400
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfe69fb0 to 0xdfe69ff8)
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 r5:80281ea0
 r4:84754000
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT 
Hardware name: ARM-Versatile Express
Call trace: 
[<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:00000000 r6:000c0013 r5:600c0093 r4:82260ed4
[<80201b08>] (show_stack) from [<8021fc60>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201b08>] (show_stack) from [<8021fc60>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120)
[<8021fbf0>] (dump_stack_lvl) from [<8021fc84>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r5:00000001 r4:00000001
[<8021fc6c>] (dump_stack) from [<81a27f30>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113)
[<81a27dd0>] (nmi_cpu_backtrace) from [<81a2807c>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62)
 r7:00000001 r6:8280c690 r5:8281ac94 r4:ffffffff
[<81a27f4c>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852)
 r9:82abd56c r8:82804d40 r7:0000a6c8 r6:00007a50 r5:8281b248 r4:85ed200c
[<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037d8f8>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline])
[<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037d8f8>] (check_hung_uninterruptible_tasks kernel/hung_task.c:328 [inline])
[<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037d8f8>] (watchdog+0x4d4/0x81c kernel/hung_task.c:491)
[<8037d424>] (watchdog) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:00000000 r8:8037d424 r7:8332a700 r6:8332a700 r5:83391800
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf8e1fb0 to 0xdf8e1ff8)
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 r5:80281ea0
 r4:832c2a00
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 2843 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 : [<81a482e4>]    lr : [<80a7a210>]    psr: 60000113
sp : eb7a9eb0  ip : eb7a9ec0  fp : eb7a9ebc
r10: 82959154  r9 : 00000000  r8 : 00000000
r7 : 00000117  r6 : 829590b8  r5 : 00000000  r4 : 00000001
r3 : 000009f2  r2 : 00000000  r1 : 60000113  r0 : 84a3d840
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 30c5387d  Table: 84f48180  DAC: fffffffd
Call trace: 
[<81a482bc>] (_raw_spin_unlock_irqrestore) from [<80a7a210>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline])
[<81a482bc>] (_raw_spin_unlock_irqrestore) from [<80a7a210>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline])
[<81a482bc>] (_raw_spin_unlock_irqrestore) from [<80a7a210>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603)
[<80a7a1f0>] (pl011_console_device_unlock) from [<802e4504>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1142)
[<802e447c>] (nbcon_emit_one) from [<802e4724>] (nbcon_kthread_func+0x1a8/0x2a4 kernel/printk/nbcon.c:1229)
 r6:8280c690 r5:84b10c00 r4:829590b8
[<802e457c>] (nbcon_kthread_func) from [<80281fcc>] (kthread+0x12c/0x280 kernel/kthread.c:463)
 r10:00000000 r9:829590b8 r8:802e457c r7:84640680 r6:84640680 r5:84b10c00
 r4:00000001
[<80281ea0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeb7a9fb0 to 0xeb7a9ff8)
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 r5:80281ea0
 r4:84647840