INFO: task kworker/0:4:2896 blocked for more than 430 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:4     state:D stack:0     pid:2896  tgid:2896  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5e894>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b5d3fc>] (__schedule) from [<81b5e894>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:ebe19da4 r9:ebe19dac r8:00000002 r7:60000113 r6:82cd7e0c r5:84188c40
 r4:84188c40
[<81b5e868>] (schedule) from [<81b5e9d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:84188c40 r4:82cd7e08
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b61644>] (__mutex_lock.constprop.0) from [<81b62160>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ebe19e28
 r4:860e9d80
[<81b6214c>] (__mutex_lock_slowpath) from [<81b621a0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b62164>] (mutex_lock) from [<8051e710>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:860e9d80
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:84188c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f324000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eafe9000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:887d8798 r4:887d8798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:887d8798 r4:850e8880
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd0f00 r9:850e88b0 r8:84188c40 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:850e8880
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:ebe15e88 r8:843c1580 r7:850e8880 r6:80276d28 r5:84188c40
 r4:843ee380
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xebe19fb0 to 0xebe19ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:843ee380
INFO: task kworker/0:4:2896 is blocked on a mutex likely owned by task kworker/0:11:15497.
task:kworker/0:11    state:R  running task     stack:0     pid:15497 tgid:15497 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5ec84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:83813100 r8:80200c04 r7:ea6a9d7c r6:ffffffff r5:83813100
 r4:00000000
[<81b5ec44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea6a9d48 to 0xea6a9d90)
9d40:                   ce5f8000 ea73b000 00000000 80238790 82cd71a0 82cd7de4
9d60: 7f282000 ea73b000 00000000 00000001 82a0b498 ea6a9dbc ea73b000 ea6a9d98
9d80: 8022f6d0 802387a8 800e0113 ffffffff
 r5:800e0113 r4:802387a8
[<8022f670>] (flush_tlb_kernel_range) from [<8051e4c4>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2376)
[<8051e238>] (__purge_vmap_area_lazy) from [<8051e89c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:ea6a9de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea6a9e28
 r4:ea6a9de0
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8662edc0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83813100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f266000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eabe9000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85fdf798 r4:85fdf798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85fdf798 r4:8591eb80
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:8591ebb0 r8:83813100 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:8591eb80
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd41e88 r8:8716b780 r7:8591eb80 r6:80276d28 r5:83813100
 r4:856f6600
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6a9fb0 to 0xea6a9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:856f6600
INFO: task kworker/0:6:9275 blocked for more than 430 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:6     state:D stack:0     pid:9275  tgid:9275  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5e894>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b5d3fc>] (__schedule) from [<81b5e894>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:dfc61da4 r9:dfc61dac r8:00000002 r7:60000113 r6:82cd7e0c r5:854b8000
 r4:854b8000
[<81b5e868>] (schedule) from [<81b5e9d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:854b8000 r4:82cd7e08
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b61644>] (__mutex_lock.constprop.0) from [<81b62160>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfc61e28
 r4:8676ea80
[<81b6214c>] (__mutex_lock_slowpath) from [<81b621a0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b62164>] (mutex_lock) from [<8051e710>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8676ea80
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:854b8000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f328000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eb07f000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85efcf98 r4:85efcf98
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85efcf98 r4:887adc00
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:887adc30 r8:854b8000 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:887adc00
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:df841e88 r8:887adb80 r7:887adc00 r6:80276d28 r5:854b8000
 r4:859f0940
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfc61fb0 to 0xdfc61ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:859f0940
INFO: task kworker/0:6:9275 is blocked on a mutex likely owned by task kworker/0:11:15497.
task:kworker/0:11    state:R  running task     stack:0     pid:15497 tgid:15497 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5ec84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:83813100 r8:80200c04 r7:ea6a9d7c r6:ffffffff r5:83813100
 r4:00000000
[<81b5ec44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea6a9d48 to 0xea6a9d90)
9d40:                   cea1a000 ea73b000 00000000 80238790 82cd71a0 82cd7de4
9d60: 7f282000 ea73b000 00000000 00000001 82a0b498 ea6a9dbc ea73b000 ea6a9d98
9d80: 8022f6d0 802387a8 800e0113 ffffffff
 r5:800e0113 r4:802387a8
[<8022f670>] (flush_tlb_kernel_range) from [<8051e4c4>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2376)
[<8051e238>] (__purge_vmap_area_lazy) from [<8051e89c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:ea6a9de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea6a9e28
 r4:ea6a9de0
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8662edc0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83813100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f266000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eabe9000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85fdf798 r4:85fdf798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85fdf798 r4:8591eb80
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:8591ebb0 r8:83813100 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:8591eb80
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd41e88 r8:8716b780 r7:8591eb80 r6:80276d28 r5:83813100
 r4:856f6600
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6a9fb0 to 0xea6a9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:856f6600
INFO: task kworker/0:8:9573 blocked for more than 430 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:8     state:D stack:0     pid:9573  tgid:9573  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5e894>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b5d3fc>] (__schedule) from [<81b5e894>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:df9c5da4 r9:df9c5dac r8:00000002 r7:60000113 r6:82cd7e0c r5:8419e200
 r4:8419e200
[<81b5e868>] (schedule) from [<81b5e9d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:8419e200 r4:82cd7e08
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b61644>] (__mutex_lock.constprop.0) from [<81b62160>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9c5e28
 r4:8610e0c0
[<81b6214c>] (__mutex_lock_slowpath) from [<81b621a0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b62164>] (mutex_lock) from [<8051e710>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8610e0c0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:8419e200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f320000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eaf71000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85882798 r4:85882798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85882798 r4:887af780
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd0f00 r9:887af7b0 r8:8419e200 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:887af780
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd5de88 r8:86583200 r7:887af780 r6:80276d28 r5:8419e200
 r4:88787c80
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf9c5fb0 to 0xdf9c5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:88787c80
INFO: task kworker/0:8:9573 is blocked on a mutex likely owned by task kworker/0:11:15497.
task:kworker/0:11    state:R  running task     stack:0     pid:15497 tgid:15497 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5ec84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:83813100 r8:80200c04 r7:ea6a9d7c r6:ffffffff r5:83813100
 r4:00000000
[<81b5ec44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea6a9d48 to 0xea6a9d90)
9d40:                   cea1a000 ea73b000 00000000 80238790 82cd71a0 82cd7de4
9d60: 7f282000 ea73b000 00000000 00000001 82a0b498 ea6a9dbc ea73b000 ea6a9d98
9d80: 8022f6d0 802387a8 800e0113 ffffffff
 r5:800e0113 r4:802387a8
[<8022f670>] (flush_tlb_kernel_range) from [<8051e4c4>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2376)
[<8051e238>] (__purge_vmap_area_lazy) from [<8051e89c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:ea6a9de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea6a9e28
 r4:ea6a9de0
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8662edc0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83813100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f266000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eabe9000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85fdf798 r4:85fdf798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85fdf798 r4:8591eb80
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:8591ebb0 r8:83813100 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:8591eb80
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd41e88 r8:8716b780 r7:8591eb80 r6:80276d28 r5:83813100
 r4:856f6600
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6a9fb0 to 0xea6a9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:856f6600
INFO: task kworker/0:1:15379 blocked for more than 430 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:1     state:D stack:0     pid:15379 tgid:15379 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5e894>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b5d3fc>] (__schedule) from [<81b5e894>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:e44bdda4 r9:e44bddac r8:00000002 r7:60000113 r6:82cd7e0c r5:84856e40
 r4:84856e40
[<81b5e868>] (schedule) from [<81b5e9d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:84856e40 r4:82cd7e08
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b61644>] (__mutex_lock.constprop.0) from [<81b62160>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e44bde28
 r4:8662ebc0
[<81b6214c>] (__mutex_lock_slowpath) from [<81b621a0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b62164>] (mutex_lock) from [<8051e710>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8662ebc0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:84856e40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f31c000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eae79000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:86c30b98 r4:86c30b98
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:86c30b98 r4:8599e180
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd0f00 r9:8599e1b0 r8:84856e40 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:8599e180
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:ebe19e88 r8:887af680 r7:8599e180 r6:80276d28 r5:84856e40
 r4:86112fc0
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe44bdfb0 to 0xe44bdff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:86112fc0
INFO: task kworker/0:1:15379 is blocked on a mutex likely owned by task kworker/0:11:15497.
task:kworker/0:11    state:R  running task     stack:0     pid:15497 tgid:15497 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5ec84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:83813100 r8:80200c04 r7:ea6a9d7c r6:ffffffff r5:83813100
 r4:00000000
[<81b5ec44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea6a9d48 to 0xea6a9d90)
9d40:                   cea1a000 ea73b000 00000000 80238790 82cd71a0 82cd7de4
9d60: 7f282000 ea73b000 00000000 00000001 82a0b498 ea6a9dbc ea73b000 ea6a9d98
9d80: 8022f6d0 802387a8 800e0113 ffffffff
 r5:800e0113 r4:802387a8
[<8022f670>] (flush_tlb_kernel_range) from [<8051e4c4>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2376)
[<8051e238>] (__purge_vmap_area_lazy) from [<8051e89c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:ea6a9de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea6a9e28
 r4:ea6a9de0
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8662edc0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83813100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f266000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eabe9000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85fdf798 r4:85fdf798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85fdf798 r4:8591eb80
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:8591ebb0 r8:83813100 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:8591eb80
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd41e88 r8:8716b780 r7:8591eb80 r6:80276d28 r5:83813100
 r4:856f6600
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6a9fb0 to 0xea6a9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:856f6600
INFO: task kworker/0:2:15470 blocked for more than 430 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2     state:D stack:0     pid:15470 tgid:15470 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5e894>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b5d3fc>] (__schedule) from [<81b5e894>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:dfce1da4 r9:dfce1dac r8:00000002 r7:600f0113 r6:82cd7e0c r5:85470c40
 r4:85470c40
[<81b5e868>] (schedule) from [<81b5e9d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:85470c40 r4:82cd7e08
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b61644>] (__mutex_lock.constprop.0) from [<81b62160>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfce1e28
 r4:8662e1c0
[<81b6214c>] (__mutex_lock_slowpath) from [<81b621a0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b62164>] (mutex_lock) from [<8051e710>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8662e1c0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:85470c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f318000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eae3c000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:887d6b98 r4:887d6b98
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:887d6b98 r4:86192900
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd0f00 r9:86192930 r8:85470c40 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:86192900
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:ebe19e88 r8:86c91300 r7:86192900 r6:80276d28 r5:85470c40
 r4:859e4300
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfce1fb0 to 0xdfce1ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:859e4300
INFO: task kworker/0:2:15470 is blocked on a mutex likely owned by task kworker/0:11:15497.
task:kworker/0:11    state:R  running task     stack:0     pid:15497 tgid:15497 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5ec84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:83813100 r8:80200c04 r7:ea6a9d7c r6:ffffffff r5:83813100
 r4:00000000
[<81b5ec44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea6a9d48 to 0xea6a9d90)
9d40:                   cea1a000 ea73b000 00000000 80238790 82cd71a0 82cd7de4
9d60: 7f282000 ea73b000 00000000 00000001 82a0b498 ea6a9dbc ea73b000 ea6a9d98
9d80: 8022f6d0 802387a8 800e0113 ffffffff
 r5:800e0113 r4:802387a8
[<8022f670>] (flush_tlb_kernel_range) from [<8051e4c4>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2376)
[<8051e238>] (__purge_vmap_area_lazy) from [<8051e89c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:ea6a9de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea6a9e28
 r4:ea6a9de0
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8662edc0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83813100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f266000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eabe9000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85fdf798 r4:85fdf798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85fdf798 r4:8591eb80
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:8591ebb0 r8:83813100 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:8591eb80
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd41e88 r8:8716b780 r7:8591eb80 r6:80276d28 r5:83813100
 r4:856f6600
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6a9fb0 to 0xea6a9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:856f6600
INFO: task kworker/0:7:15471 blocked for more than 430 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:7     state:D stack:0     pid:15471 tgid:15471 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5e894>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b5d3fc>] (__schedule) from [<81b5e894>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:dfd41da4 r9:dfd41dac r8:00000002 r7:60000013 r6:82cd7e0c r5:83bdd5c0
 r4:83bdd5c0
[<81b5e868>] (schedule) from [<81b5e9d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:83bdd5c0 r4:82cd7e08
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b61644>] (__mutex_lock.constprop.0) from [<81b62160>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd41e28
 r4:860e9040
[<81b6214c>] (__mutex_lock_slowpath) from [<81b621a0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b62164>] (mutex_lock) from [<8051e710>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:860e9040
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83bdd5c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f322000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eaf9f000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85b29f98 r4:85b29f98
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85b29f98 r4:8716bf80
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd0f00 r9:8716bfb0 r8:83bdd5c0 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:8716bf80
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfce1e88 r8:8586af80 r7:8716bf80 r6:80276d28 r5:83bdd5c0
 r4:867f6280
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd41fb0 to 0xdfd41ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:867f6280
INFO: task kworker/0:7:15471 is blocked on a mutex likely owned by task kworker/0:11:15497.
task:kworker/0:11    state:R  running task     stack:0     pid:15497 tgid:15497 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5ec84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:83813100 r8:80200c04 r7:ea6a9d7c r6:ffffffff r5:83813100
 r4:00000000
[<81b5ec44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea6a9d48 to 0xea6a9d90)
9d40:                   cea1a000 ea73b000 00000000 80238790 82cd71a0 82cd7de4
9d60: 7f282000 ea73b000 00000000 00000001 82a0b498 ea6a9dbc ea73b000 ea6a9d98
9d80: 8022f6d0 802387a8 800e0113 ffffffff
 r5:800e0113 r4:802387a8
[<8022f670>] (flush_tlb_kernel_range) from [<8051e4c4>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2376)
[<8051e238>] (__purge_vmap_area_lazy) from [<8051e89c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:ea6a9de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea6a9e28
 r4:ea6a9de0
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8662edc0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83813100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f266000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eabe9000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85fdf798 r4:85fdf798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85fdf798 r4:8591eb80
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:8591ebb0 r8:83813100 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:8591eb80
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd41e88 r8:8716b780 r7:8591eb80 r6:80276d28 r5:83813100
 r4:856f6600
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6a9fb0 to 0xea6a9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:856f6600
INFO: task kworker/0:9:15483 blocked for more than 430 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:9     state:D stack:0     pid:15483 tgid:15483 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5e894>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b5d3fc>] (__schedule) from [<81b5e894>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:ea5a5da4 r9:ea5a5dac r8:00000002 r7:600d0113 r6:82cd7e0c r5:854c8c40
 r4:854c8c40
[<81b5e868>] (schedule) from [<81b5e9d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:854c8c40 r4:82cd7e08
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b61644>] (__mutex_lock.constprop.0) from [<81b62160>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea5a5e28
 r4:85f60840
[<81b6214c>] (__mutex_lock_slowpath) from [<81b621a0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b62164>] (mutex_lock) from [<8051e710>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:85f60840
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:854c8c40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f31e000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eaf4b000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85b2cb98 r4:85b2cb98
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85b2cb98 r4:858b3680
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:858b36b0 r8:854c8c40 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:858b3680
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd41e88 r8:8657e780 r7:858b3680 r6:80276d28 r5:854c8c40
 r4:856440c0
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea5a5fb0 to 0xea5a5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:856440c0
INFO: task kworker/0:9:15483 is blocked on a mutex likely owned by task kworker/0:11:15497.
task:kworker/0:11    state:R  running task     stack:0     pid:15497 tgid:15497 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5ec84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:83813100 r8:80200c04 r7:ea6a9d7c r6:ffffffff r5:83813100
 r4:00000000
[<81b5ec44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea6a9d48 to 0xea6a9d90)
9d40:                   cea1a000 ea73b000 00000000 80238790 82cd71a0 82cd7de4
9d60: 7f282000 ea73b000 00000000 00000001 82a0b498 ea6a9dbc ea73b000 ea6a9d98
9d80: 8022f6d0 802387a8 800e0113 ffffffff
 r5:800e0113 r4:802387a8
[<8022f670>] (flush_tlb_kernel_range) from [<8051e4c4>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2376)
[<8051e238>] (__purge_vmap_area_lazy) from [<8051e89c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:ea6a9de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea6a9e28
 r4:ea6a9de0
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8662edc0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83813100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f266000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eabe9000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85fdf798 r4:85fdf798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85fdf798 r4:8591eb80
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:8591ebb0 r8:83813100 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:8591eb80
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd41e88 r8:8716b780 r7:8591eb80 r6:80276d28 r5:83813100
 r4:856f6600
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6a9fb0 to 0xea6a9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:856f6600
INFO: task kworker/0:10:15490 blocked for more than 430 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:10    state:D stack:0     pid:15490 tgid:15490 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5e894>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b5d3fc>] (__schedule) from [<81b5e894>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:dfde1da4 r9:dfde1dac r8:00000002 r7:60000113 r6:82cd7e0c r5:84849880
 r4:84849880
[<81b5e868>] (schedule) from [<81b5e9d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:84849880 r4:82cd7e08
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b61644>] (__mutex_lock.constprop.0) from [<81b62160>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfde1e28
 r4:8662e540
[<81b6214c>] (__mutex_lock_slowpath) from [<81b621a0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b62164>] (mutex_lock) from [<8051e710>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8662e540
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:84849880 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f326000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eaff7000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:8607e398 r4:8607e398
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:8607e398 r4:858b3180
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd0f00 r9:858b31b0 r8:84849880 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:858b3180
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd41e88 r8:85bc1700 r7:858b3180 r6:80276d28 r5:84849880
 r4:85918880
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfde1fb0 to 0xdfde1ff8)
1fa0:                                     00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:85918880
INFO: task kworker/0:10:15490 is blocked on a mutex likely owned by task kworker/0:11:15497.
task:kworker/0:11    state:R  running task     stack:0     pid:15497 tgid:15497 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5ec84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:83813100 r8:80200c04 r7:ea6a9d7c r6:ffffffff r5:83813100
 r4:00000000
[<81b5ec44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea6a9d48 to 0xea6a9d90)
9d40:                   cea1a000 ea73b000 00000000 80238790 82cd71a0 82cd7de4
9d60: 7f282000 ea73b000 00000000 00000001 82a0b498 ea6a9dbc ea73b000 ea6a9d98
9d80: 8022f6d0 802387a8 800e0113 ffffffff
 r5:800e0113 r4:802387a8
[<8022f670>] (flush_tlb_kernel_range) from [<8051e4c4>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2376)
[<8051e238>] (__purge_vmap_area_lazy) from [<8051e89c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:ea6a9de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea6a9e28
 r4:ea6a9de0
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8662edc0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83813100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f266000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eabe9000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85fdf798 r4:85fdf798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85fdf798 r4:8591eb80
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:8591ebb0 r8:83813100 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:8591eb80
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd41e88 r8:8716b780 r7:8591eb80 r6:80276d28 r5:83813100
 r4:856f6600
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6a9fb0 to 0xea6a9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:856f6600
INFO: task kworker/0:16:15680 blocked for more than 430 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:16    state:D stack:0     pid:15680 tgid:15680 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5e894>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b5d3fc>] (__schedule) from [<81b5e894>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:dfb59da4 r9:dfb59dac r8:00000002 r7:600f0013 r6:82cd7e0c r5:854b3100
 r4:854b3100
[<81b5e868>] (schedule) from [<81b5e9d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:854b3100 r4:82cd7e08
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b61644>] (__mutex_lock.constprop.0) from [<81b62160>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb59e28
 r4:8627cd80
[<81b6214c>] (__mutex_lock_slowpath) from [<81b621a0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b62164>] (mutex_lock) from [<8051e710>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8627cd80
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:854b3100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f276000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:dfa41000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:86099798 r4:86099798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:86099798 r4:887c4800
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd0f00 r9:887c4830 r8:854b3100 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:887c4800
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e8545e88 r8:86193800 r7:887c4800 r6:80276d28 r5:854b3100
 r4:856fae80
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfb59fb0 to 0xdfb59ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:856fae80
INFO: task kworker/0:16:15680 is blocked on a mutex likely owned by task kworker/0:11:15497.
task:kworker/0:11    state:R  running task     stack:0     pid:15497 tgid:15497 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5ec84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:83813100 r8:80200c04 r7:ea6a9d7c r6:ffffffff r5:83813100
 r4:00000000
[<81b5ec44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea6a9d48 to 0xea6a9d90)
9d40:                   cea1a000 ea73b000 00000000 80238790 82cd71a0 82cd7de4
9d60: 7f282000 ea73b000 00000000 00000001 82a0b498 ea6a9dbc ea73b000 ea6a9d98
9d80: 8022f6d0 802387a8 800e0113 ffffffff
 r5:800e0113 r4:802387a8
[<8022f670>] (flush_tlb_kernel_range) from [<8051e4c4>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2376)
[<8051e238>] (__purge_vmap_area_lazy) from [<8051e89c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:ea6a9de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea6a9e28
 r4:ea6a9de0
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8662edc0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83813100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f266000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eabe9000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85fdf798 r4:85fdf798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85fdf798 r4:8591eb80
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:8591ebb0 r8:83813100 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:8591eb80
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd41e88 r8:8716b780 r7:8591eb80 r6:80276d28 r5:83813100
 r4:856f6600
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6a9fb0 to 0xea6a9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:856f6600
INFO: task kworker/0:17:15685 blocked for more than 430 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:17    state:D stack:0     pid:15685 tgid:15685 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5e894>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b5d3fc>] (__schedule) from [<81b5e894>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:dfb55da4 r9:dfb55dac r8:00000002 r7:60000013 r6:82cd7e0c r5:847bd5c0
 r4:847bd5c0
[<81b5e868>] (schedule) from [<81b5e9d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:847bd5c0 r4:82cd7e08
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b61644>] (__mutex_lock.constprop.0) from [<81b62160>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb55e28
 r4:88789580
[<81b6214c>] (__mutex_lock_slowpath) from [<81b621a0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b62164>] (mutex_lock) from [<8051e710>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:88789580
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:847bd5c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f31a000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eae73000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:887a4398 r4:887a4398
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:887a4398 r4:86d84a80
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:86d84ab0 r8:847bd5c0 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:86d84a80
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:eaa19e88 r8:8633a400 r7:86d84a80 r6:80276d28 r5:847bd5c0
 r4:860f9f00
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfb55fb0 to 0xdfb55ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:860f9f00
INFO: task kworker/0:17:15685 is blocked on a mutex likely owned by task kworker/0:11:15497.
task:kworker/0:11    state:R  running task     stack:0     pid:15497 tgid:15497 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5ec84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:83813100 r8:80200c04 r7:ea6a9d7c r6:ffffffff r5:83813100
 r4:00000000
[<81b5ec44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea6a9d48 to 0xea6a9d90)
9d40:                   cea1a000 ea73b000 00000000 80238790 82cd71a0 82cd7de4
9d60: 7f282000 ea73b000 00000000 00000001 82a0b498 ea6a9dbc ea73b000 ea6a9d98
9d80: 8022f6d0 802387a8 800e0113 ffffffff
 r5:800e0113 r4:802387a8
[<8022f670>] (flush_tlb_kernel_range) from [<8051e4c4>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2376)
[<8051e238>] (__purge_vmap_area_lazy) from [<8051e89c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:ea6a9de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea6a9e28
 r4:ea6a9de0
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8662edc0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83813100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f266000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eabe9000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85fdf798 r4:85fdf798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85fdf798 r4:8591eb80
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:8591ebb0 r8:83813100 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:8591eb80
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd41e88 r8:8716b780 r7:8591eb80 r6:80276d28 r5:83813100
 r4:856f6600
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6a9fb0 to 0xea6a9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:856f6600
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:18:15718 blocked for more than 430 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:18    state:D stack:0     pid:15718 tgid:15718 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5e894>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b5d3fc>] (__schedule) from [<81b5e894>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:dfdd9da4 r9:dfdd9dac r8:00000002 r7:60000013 r6:82cd7e0c r5:85543d40
 r4:85543d40
[<81b5e868>] (schedule) from [<81b5e9d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:85543d40 r4:82cd7e08
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b61644>] (__mutex_lock.constprop.0) from [<81b62160>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfdd9e28
 r4:867ed6c0
[<81b6214c>] (__mutex_lock_slowpath) from [<81b621a0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b62164>] (mutex_lock) from [<8051e710>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:867ed6c0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:85543d40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f316000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eae34000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:887a7b98 r4:887a7b98
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:887a7b98 r4:8716b100
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:dddd0f00 r9:8716b130 r8:85543d40 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:8716b100
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:eaa19e88 r8:86584480 r7:8716b100 r6:80276d28 r5:85543d40
 r4:858d7b00
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfdd9fb0 to 0xdfdd9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:858d7b00
INFO: task kworker/0:18:15718 is blocked on a mutex likely owned by task kworker/0:11:15497.
task:kworker/0:11    state:R  running task     stack:0     pid:15497 tgid:15497 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5ec84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:83813100 r8:80200c04 r7:ea6a9d7c r6:ffffffff r5:83813100
 r4:00000000
[<81b5ec44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea6a9d48 to 0xea6a9d90)
9d40:                   cea1a000 ea73b000 00000000 80238790 82cd71a0 82cd7de4
9d60: 7f282000 ea73b000 00000000 00000001 82a0b498 ea6a9dbc ea73b000 ea6a9d98
9d80: 8022f6d0 802387a8 800e0113 ffffffff
 r5:800e0113 r4:802387a8
[<8022f670>] (flush_tlb_kernel_range) from [<8051e4c4>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2376)
[<8051e238>] (__purge_vmap_area_lazy) from [<8051e89c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:ea6a9de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea6a9e28
 r4:ea6a9de0
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8662edc0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83813100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f266000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eabe9000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85fdf798 r4:85fdf798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85fdf798 r4:8591eb80
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:8591ebb0 r8:83813100 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:8591eb80
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd41e88 r8:8716b780 r7:8591eb80 r6:80276d28 r5:83813100
 r4:856f6600
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6a9fb0 to 0xea6a9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:856f6600
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:19:15772 blocked for more than 431 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:19    state:D stack:0     pid:15772 tgid:15772 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5e894>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b5d3fc>] (__schedule) from [<81b5e894>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:e0275da4 r9:e0275dac r8:00000002 r7:600f0013 r6:82cd7e0c r5:847ac980
 r4:847ac980
[<81b5e868>] (schedule) from [<81b5e9d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:847ac980 r4:82cd7e08
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b61644>] (__mutex_lock.constprop.0) from [<81b62160>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0275e28
 r4:860c9480
[<81b6214c>] (__mutex_lock_slowpath) from [<81b621a0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b62164>] (mutex_lock) from [<8051e710>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:860c9480
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:847ac980 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f278000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:dfa43000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85efd798 r4:85efd798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85efd798 r4:862e7c80
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:862e7cb0 r8:847ac980 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:862e7c80
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:eaa19e88 r8:843c0b00 r7:862e7c80 r6:80276d28 r5:847ac980
 r4:887878c0
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0275fb0 to 0xe0275ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:887878c0
INFO: task kworker/0:19:15772 is blocked on a mutex likely owned by task kworker/0:11:15497.
task:kworker/0:11    state:R  running task     stack:0     pid:15497 tgid:15497 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5ec84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:83813100 r8:80200c04 r7:ea6a9d7c r6:ffffffff r5:83813100
 r4:00000000
[<81b5ec44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea6a9d48 to 0xea6a9d90)
9d40:                   cee08000 ea73b000 00000000 80238790 82cd71a0 82cd7de4
9d60: 7f282000 ea73b000 00000000 00000001 82a0b498 ea6a9dbc ea73b000 ea6a9d98
9d80: 8022f6d0 802387a8 800e0113 ffffffff
 r5:800e0113 r4:802387a8
[<8022f670>] (flush_tlb_kernel_range) from [<8051e4c4>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2376)
[<8051e238>] (__purge_vmap_area_lazy) from [<8051e89c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:ea6a9de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea6a9e28
 r4:ea6a9de0
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8662edc0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83813100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f266000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eabe9000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85fdf798 r4:85fdf798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85fdf798 r4:8591eb80
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:8591ebb0 r8:83813100 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:8591eb80
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd41e88 r8:8716b780 r7:8591eb80 r6:80276d28 r5:83813100
 r4:856f6600
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6a9fb0 to 0xea6a9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:856f6600
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:22:16453 blocked for more than 431 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:22    state:D stack:0     pid:16453 tgid:16453 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5e894>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b5d3fc>] (__schedule) from [<81b5e894>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:ea5cdda4 r9:ea5cddac r8:00000002 r7:60000113 r6:82cd7e0c r5:83a155c0
 r4:83a155c0
[<81b5e868>] (schedule) from [<81b5e9d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:83a155c0 r4:82cd7e08
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b61644>] (__mutex_lock.constprop.0) from [<81b62160>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea5cde28
 r4:85872e40
[<81b6214c>] (__mutex_lock_slowpath) from [<81b621a0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b62164>] (mutex_lock) from [<8051e710>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:85872e40
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83a155c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f264000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eab3d000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85efdb98 r4:85efdb98
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85efdb98 r4:88737480
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:887374b0 r8:83a155c0 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:88737480
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfdd9e88 r8:88737c00 r7:88737480 r6:80276d28 r5:83a155c0
 r4:86647740
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea5cdfb0 to 0xea5cdff8)
dfa0:                                     00000000 00000000 00000000 00000000
dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:86647740
INFO: task kworker/0:22:16453 is blocked on a mutex likely owned by task kworker/0:11:15497.
task:kworker/0:11    state:R  running task     stack:0     pid:15497 tgid:15497 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5ec84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:83813100 r8:80200c04 r7:ea6a9d7c r6:ffffffff r5:83813100
 r4:00000000
[<81b5ec44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea6a9d48 to 0xea6a9d90)
9d40:                   cee08000 ea73b000 00000000 80238790 82cd71a0 82cd7de4
9d60: 7f282000 ea73b000 00000000 00000001 82a0b498 ea6a9dbc ea73b000 ea6a9d98
9d80: 8022f6d0 802387a8 800e0113 ffffffff
 r5:800e0113 r4:802387a8
[<8022f670>] (flush_tlb_kernel_range) from [<8051e4c4>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2376)
[<8051e238>] (__purge_vmap_area_lazy) from [<8051e89c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:ea6a9de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea6a9e28
 r4:ea6a9de0
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8662edc0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83813100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f266000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eabe9000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85fdf798 r4:85fdf798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85fdf798 r4:8591eb80
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:8591ebb0 r8:83813100 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:8591eb80
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd41e88 r8:8716b780 r7:8591eb80 r6:80276d28 r5:83813100
 r4:856f6600
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6a9fb0 to 0xea6a9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:856f6600
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: task kworker/0:23:16457 blocked for more than 431 seconds.
      Tainted: G             L      syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:23    state:D stack:0     pid:16457 tgid:16457 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5e894>] (__schedule_loop kernel/sched/core.c:7311 [inline])
[<81b5d3fc>] (__schedule) from [<81b5e894>] (schedule+0x2c/0xec kernel/sched/core.c:7326)
 r10:ea5e9da4 r9:ea5e9dac r8:00000002 r7:60000113 r6:82cd7e0c r5:85498000
 r4:85498000
[<81b5e868>] (schedule) from [<81b5e9d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7383)
 r5:85498000 r4:82cd7e08
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock_common kernel/locking/mutex.c:726 [inline])
[<81b5e9c0>] (schedule_preempt_disabled) from [<81b61b50>] (__mutex_lock.constprop.0+0x50c/0xa48 kernel/locking/mutex.c:821)
[<81b61644>] (__mutex_lock.constprop.0) from [<81b62160>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1164)
 r10:82a0b444 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea5e9e28
 r4:87073d40
[<81b6214c>] (__mutex_lock_slowpath) from [<81b621a0>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:319)
[<81b62164>] (mutex_lock) from [<8051e710>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:87073d40
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:85498000 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f32a000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eb147000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:887d8398 r4:887d8398
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:887d8398 r4:86653b00
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:86653b30 r8:85498000 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:86653b00
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e44f5e88 r8:86653800 r7:86653b00 r6:80276d28 r5:85498000
 r4:887475c0
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea5e9fb0 to 0xea5e9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:887475c0
INFO: task kworker/0:23:16457 is blocked on a mutex likely owned by task kworker/0:11:15497.
task:kworker/0:11    state:R  running task     stack:0     pid:15497 tgid:15497 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b5d3fc>] (__schedule) from [<81b5ec84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7556)
 r10:82a0b498 r9:83813100 r8:80200c04 r7:ea6a9d7c r6:ffffffff r5:83813100
 r4:00000000
[<81b5ec44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xea6a9d48 to 0xea6a9d90)
9d40:                   cee5f000 ea73b000 00000000 80238790 82cd71a0 82cd7de4
9d60: 7f282000 ea73b000 00000000 00000001 82a0b498 ea6a9dbc ea73b000 ea6a9d98
9d80: 8022f6d0 802387a8 800e0113 ffffffff
 r5:800e0113 r4:802387a8
[<8022f670>] (flush_tlb_kernel_range) from [<8051e4c4>] (__purge_vmap_area_lazy+0x28c/0x47c mm/vmalloc.c:2376)
[<8051e238>] (__purge_vmap_area_lazy) from [<8051e89c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:ea6a9de0 r8:00000000 r7:ffffffff r6:00000008 r5:ea6a9e28
 r4:ea6a9de0
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<8051e6b4>] (_vm_unmap_aliases) from [<805224a0>] (vfree+0x110/0x17c mm/vmalloc.c:3486)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:00000000
 r4:8662edc0
[<80522390>] (vfree) from [<80599068>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83813100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f266000
[<80599038>] (execmem_free) from [<803dc798>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1125)
 r5:00001000 r4:eabe9000
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_binary_free kernel/bpf/core.c:1171 [inline])
[<803dc788>] (bpf_jit_free_exec) from [<803dcc88>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1295)
[<803dcc24>] (bpf_jit_free) from [<803ddd60>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3106)
 r5:85fdf798 r4:85fdf798
[<803ddc18>] (bpf_prog_free_deferred) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r7:dddd0f00 r6:8302b000 r5:85fdf798 r4:8591eb80
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:8591ebb0 r8:83813100 r7:82a03d80 r6:dddd0f20 r5:dddd0f00
 r4:8591eb80
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd41e88 r8:8716b780 r7:8591eb80 r6:80276d28 r5:83813100
 r4:856f6600
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea6a9fb0 to 0xea6a9ff8)
9fa0:                                     00000000 00000000 00000000 00000000
9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
9fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:856f6600
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 29 Comm: khungtaskd Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: ARM-Versatile Express
Call trace: 
[<80201998>] (dump_backtrace) from [<80201a8c>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:600f0093 r6:600f0093 r5:82332bd4 r4:00000000
[<80201a74>] (show_stack) from [<8021e580>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201a74>] (show_stack) from [<8021e580>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120)
[<8021e524>] (dump_stack_lvl) from [<8021e5ac>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r7:00000000 r6:000f0013 r5:00000001 r4:00000001
[<8021e594>] (dump_stack) from [<81b46a9c>] (nmi_cpu_backtrace+0x150/0x170 lib/nmi_backtrace.c:122)
[<81b4694c>] (nmi_cpu_backtrace) from [<81b46bf0>] (nmi_trigger_cpumask_backtrace+0x134/0x208 lib/nmi_backtrace.c:65)
 r7:82a0b150 r6:83810c40 r5:82a1c7b8 r4:ffffffff
[<81b46abc>] (nmi_trigger_cpumask_backtrace) from [<8022f0f4>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851)
 r9:82a0b2f0 r8:0000000e r7:82a1ce80 r6:82ccae2c r5:00007ebb r4:00000048
[<8022f0dc>] (arch_trigger_cpumask_backtrace) from [<81b4e72c>] (trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline])
[<8022f0dc>] (arch_trigger_cpumask_backtrace) from [<81b4e72c>] (__sys_info lib/sys_info.c:157 [inline])
[<8022f0dc>] (arch_trigger_cpumask_backtrace) from [<81b4e72c>] (sys_info+0x68/0xa8 lib/sys_info.c:165)
[<81b4e6c4>] (sys_info) from [<8038f838>] (check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline])
[<81b4e6c4>] (sys_info) from [<8038f838>] (watchdog+0x3a0/0x848 kernel/hung_task.c:561)
 r5:00007ebb r4:0000000a
[<8038f498>] (watchdog) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:df819e60 r8:831d9e80 r7:00000000 r6:8038f498 r5:83810c40
 r4:833c1b00
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf8d5fb0 to 0xdf8d5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:833c1b00
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 20280 Comm: kworker/u8:7 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: ARM-Versatile Express
Workqueue: events_unbound nsim_dev_trap_report_work
PC is at __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
PC is at _raw_spin_unlock_irqrestore+0x28/0x54 kernel/locking/spinlock.c:198
LR is at unlock_hrtimer_base kernel/time/hrtimer.c:1039 [inline]
LR is at hrtimer_start_range_ns+0x94/0xd0 kernel/time/hrtimer.c:1514
pc : [<81b67d5c>]    lr : [<80331f88>]    psr: 600f0113
sp : df801dc8  ip : df801dd8  fp : df801dd4
r10: 966622d0  r9 : dddc8110  r8 : 82af8a90
r7 : 3bcf9013  r6 : 000002ee  r5 : 200f0113  r4 : 85ab85a8
r3 : 00004b90  r2 : 000003e8  r1 : 200f0113  r0 : dddc80c0
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
Control: 30c5387d  Table: 855da3c0  DAC: fffffffd
Call trace: frame pointer underflow
[<81b67d34>] (_raw_spin_unlock_irqrestore) from [<80331f88>] (unlock_hrtimer_base kernel/time/hrtimer.c:1039 [inline])
[<81b67d34>] (_raw_spin_unlock_irqrestore) from [<80331f88>] (hrtimer_start_range_ns+0x94/0xd0 kernel/time/hrtimer.c:1514)
[<80331ef4>] (hrtimer_start_range_ns) from [<816e6aa0>] (qdisc_watchdog_schedule_range_ns net/sched/sch_api.c:667 [inline])
[<80331ef4>] (hrtimer_start_range_ns) from [<816e6aa0>] (qdisc_watchdog_schedule_range_ns+0x8c/0x94 net/sched/sch_api.c:644)
 r9:00000000 r8:00000000 r7:00000000 r6:000002ee r5:3bcf9013 r4:85ab85a8
[<816e6a14>] (qdisc_watchdog_schedule_range_ns) from [<8171bdb8>] (qdisc_watchdog_schedule_ns include/net/pkt_sched.h:75 [inline])
[<816e6a14>] (qdisc_watchdog_schedule_range_ns) from [<8171bdb8>] (tbf_dequeue+0x2a0/0x400 net/sched/sch_tbf.c:322)
 r9:a5696d43 r8:fffffb4a r7:0000003e r6:85ab8540 r5:62164480 r4:85ab8400
[<8171bb18>] (tbf_dequeue) from [<816e3144>] (dequeue_skb net/sched/sch_generic.c:322 [inline])
[<8171bb18>] (tbf_dequeue) from [<816e3144>] (qdisc_restart net/sched/sch_generic.c:427 [inline])
[<8171bb18>] (tbf_dequeue) from [<816e3144>] (__qdisc_run+0xa0/0x830 net/sched/sch_generic.c:445)
 r10:00000040 r9:85ab8490 r8:85ab8454 r7:00000010 r6:00000000 r5:85ab848c
 r4:85ab8400
[<816e30a4>] (__qdisc_run) from [<81656df8>] (qdisc_run include/net/pkt_sched.h:120 [inline])
[<816e30a4>] (__qdisc_run) from [<81656df8>] (qdisc_run include/net/pkt_sched.h:117 [inline])
[<816e30a4>] (__qdisc_run) from [<81656df8>] (net_tx_action+0x158/0x454 net/core/dev.c:5863)
 r10:83381880 r9:85ab8490 r8:00000001 r7:dddd2480 r6:00000000 r5:85ab848c
 r4:85ab8400
[<81656ca0>] (net_tx_action) from [<8025a0dc>] (handle_softirqs+0x160/0x4e4 kernel/softirq.c:622)
 r10:83381880 r9:00000104 r8:00000101 r7:00000008 r6:00000003 r5:00000002
 r4:82a03088
[<80259f7c>] (handle_softirqs) from [<8025a5fc>] (__do_softirq kernel/softirq.c:656 [inline])
[<80259f7c>] (handle_softirqs) from [<8025a5fc>] (invoke_softirq kernel/softirq.c:496 [inline])
[<80259f7c>] (handle_softirqs) from [<8025a5fc>] (__irq_exit_rcu+0x150/0x1d0 kernel/softirq.c:735)
 r10:81da4e20 r9:83381880 r8:00000000 r7:dfcd5db0 r6:824e64d4 r5:82521940
 r4:83381880
[<8025a4ac>] (__irq_exit_rcu) from [<8025a934>] (irq_exit+0x10/0x18 kernel/softirq.c:764)
 r5:82521940 r4:828d3e6c
[<8025a924>] (irq_exit) from [<81b59adc>] (generic_handle_arch_irq+0x7c/0x80 kernel/irq/handle.c:293)
[<81b59a60>] (generic_handle_arch_irq) from [<81b2675c>] (call_with_stack+0x1c/0x20 arch/arm/lib/call_with_stack.S:40)
 r9:83381880 r8:00000820 r7:dfcd5de4 r6:ffffffff r5:600f0113 r4:80545af0
[<81b26740>] (call_with_stack) from [<80200bec>] (__irq_svc+0x8c/0xbc arch/arm/kernel/entry-armv.S:228)
Exception stack(0xdfcd5db0 to 0xdfcd5df8)
5da0:                                     00000000 000000c0 00000000 00000000
5dc0: 830e4c00 00000820 8163523c 83381880 00000820 00000000 81da4e20 dfcd5e5c
5de0: 00000001 dfcd5e00 8056791c 80545af0 600f0113 ffffffff
[<80545a90>] (kmem_cache_alloc_node_noprof) from [<8163523c>] (__alloc_skb+0x74/0x2ec net/core/skbuff.c:704)
 r10:81da4e20 r9:8163542c r8:00000820 r7:00000000 r6:830e4c00 r5:ffffffff
 r4:dddd0808
[<816351c8>] (__alloc_skb) from [<80ef7ecc>] (alloc_skb include/linux/skbuff.h:1384 [inline])
[<816351c8>] (__alloc_skb) from [<80ef7ecc>] (nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:819 [inline])
[<816351c8>] (__alloc_skb) from [<80ef7ecc>] (nsim_dev_trap_report drivers/net/netdevsim/dev.c:876 [inline])
[<816351c8>] (__alloc_skb) from [<80ef7ecc>] (nsim_dev_trap_report_work+0xf0/0x438 drivers/net/netdevsim/dev.c:922)
 r9:85948e00 r8:00000000 r7:85948e44 r6:00000030 r5:85984630 r4:8641bd98
[<80ef7ddc>] (nsim_dev_trap_report_work) from [<802761e8>] (process_one_work+0x1c8/0x580 kernel/workqueue.c:3322)
 r10:83029a05 r9:83381880 r8:02000000 r7:83012a00 r6:83029a00 r5:85948e00
 r4:86282500
[<80276020>] (process_one_work) from [<80276e94>] (process_scheduled_works kernel/workqueue.c:3405 [inline])
[<80276020>] (process_one_work) from [<80276e94>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3486)
 r10:00000000 r9:86282530 r8:83381880 r7:82a03d80 r6:83012a20 r5:83012a00
 r4:86282500
[<80276d28>] (worker_thread) from [<80281710>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfb01e88 r8:86282f80 r7:86282500 r6:80276d28 r5:83381880
 r4:87364d80
[<802815f4>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfcd5fb0 to 0xdfcd5ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802815f4 r4:87364d80