INFO: task kworker/1:2:89 blocked for more than 433 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:2     state:D stack:0     pid:89    tgid:89    ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b083bc>] (__schedule) from [<81b0984c>] (__schedule_loop kernel/sched/core.c:7267 [inline])
[<81b083bc>] (__schedule) from [<81b0984c>] (schedule+0x2c/0x134 kernel/sched/core.c:7282)
 r10:df9a5da4 r9:df9a5dac r8:00000002 r7:60000113 r6:82ccfb4c r5:8396a4c0
 r4:8396a4c0
[<81b09820>] (schedule) from [<81b099d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7339)
 r5:8396a4c0 r4:82ccfb48
[<81b099c0>] (schedule_preempt_disabled) from [<81b0cab4>] (__mutex_lock_common kernel/locking/mutex.c:712 [inline])
[<81b099c0>] (schedule_preempt_disabled) from [<81b0cab4>] (__mutex_lock.constprop.0+0x530/0xa88 kernel/locking/mutex.c:806)
[<81b0c584>] (__mutex_lock.constprop.0) from [<81b0d0e0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1100)
 r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df9a5e28
 r4:00000000
[<81b0d0cc>] (__mutex_lock_slowpath) from [<81b0d120>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:305)
[<81b0d0e4>] (mutex_lock) from [<80507200>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vfree+0x168/0x1d8 mm/vmalloc.c:3461)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86302f00
 r4:00000000
[<8050ae8c>] (vfree) from [<8057a880>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:8396a4c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f236000
[<8057a850>] (execmem_free) from [<803d0c5c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1070)
 r5:00001000 r4:e00c5000
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_binary_free kernel/bpf/core.c:1116 [inline])
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1239)
[<803d0fd8>] (bpf_jit_free) from [<803d20e4>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3029)
 r5:866b878c r4:866b878c
[<803d1f9c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0 kernel/workqueue.c:3302)
 r7:ddde4e00 r6:8302ae00 r5:866b878c r4:8333dc00
[<80276198>] (process_one_work) from [<80277124>] (process_scheduled_works kernel/workqueue.c:3385 [inline])
[<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3466)
 r10:ddde4e00 r9:8333dc30 r8:8396a4c0 r7:82a03d80 r6:ddde4e20 r5:ddde4e00
 r4:8333dc00
[<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:df879e88 r8:83f7d600 r7:8333dc00 r6:80276fb8 r5:8396a4c0
 r4:838a69c0
[<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdf9a5fb0 to 0xdf9a5ff8)
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 r5:80281060 r4:838a69c0
INFO: task kworker/1:2:89 is blocked on a mutex likely owned by task kworker/1:9:21461.
task:kworker/1:9     state:R  running task     stack:0     pid:21461 tgid:21461 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b083bc>] (__schedule) from [<81b09c84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7512)
 r10:82a0b880 r9:84083100 r8:80200c04 r7:dfbe1d7c r6:ffffffff r5:84083100
 r4:00000000
[<81b09c44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfbe1d48 to 0xdfbe1d90)
1d40:                   ad8bf000 eaf8b000 00000000 80238790 82cceee0 82ccfb24
1d60: 7f00b000 eaf8b000 00000000 00000001 82a0b880 dfbe1dbc eaf8b000 dfbe1d98
1d80: 8022f6e0 802387a8 80000013 ffffffff
 r5:80000013 r4:802387a8
[<8022f680>] (flush_tlb_kernel_range) from [<80506fb4>] (__purge_vmap_area_lazy+0x294/0x484 mm/vmalloc.c:2376)
[<80506d20>] (__purge_vmap_area_lazy) from [<8050738c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:dfbe1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbe1e28
 r4:dfbe1de0
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vfree+0x168/0x1d8 mm/vmalloc.c:3461)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:868c2380
 r4:00000000
[<8050ae8c>] (vfree) from [<8057a880>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:84083100 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f232000
[<8057a850>] (execmem_free) from [<803d0c5c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1070)
 r5:00001000 r4:dfd6f000
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_binary_free kernel/bpf/core.c:1116 [inline])
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1239)
[<803d0fd8>] (bpf_jit_free) from [<803d20e4>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3029)
 r5:865cdb8c r4:865cdb8c
[<803d1f9c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0 kernel/workqueue.c:3302)
 r7:ddde4e00 r6:8302ae00 r5:865cdb8c r4:85fee500
[<80276198>] (process_one_work) from [<80277124>] (process_scheduled_works kernel/workqueue.c:3385 [inline])
[<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3466)
 r10:ddde4e00 r9:85fee530 r8:84083100 r7:82a03d80 r6:ddde4e20 r5:ddde4e00
 r4:85fee500
[<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfb09e88 r8:869e2480 r7:85fee500 r6:80276fb8 r5:84083100
 r4:867c9180
[<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfbe1fb0 to 0xdfbe1ff8)
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 r5:80281060 r4:867c9180
INFO: task kworker/0:5:3705 blocked for more than 436 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:5     state:D stack:0     pid:3705  tgid:3705  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b083bc>] (__schedule) from [<81b0984c>] (__schedule_loop kernel/sched/core.c:7267 [inline])
[<81b083bc>] (__schedule) from [<81b0984c>] (schedule+0x2c/0x134 kernel/sched/core.c:7282)
 r10:dfd5dda4 r9:dfd5ddac r8:00000002 r7:60000113 r6:82ccfb4c r5:839da4c0
 r4:839da4c0
[<81b09820>] (schedule) from [<81b099d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7339)
 r5:839da4c0 r4:82ccfb48
[<81b099c0>] (schedule_preempt_disabled) from [<81b0cab4>] (__mutex_lock_common kernel/locking/mutex.c:712 [inline])
[<81b099c0>] (schedule_preempt_disabled) from [<81b0cab4>] (__mutex_lock.constprop.0+0x530/0xa88 kernel/locking/mutex.c:806)
[<81b0c584>] (__mutex_lock.constprop.0) from [<81b0d0e0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1100)
 r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfd5de28
 r4:00000000
[<81b0d0cc>] (__mutex_lock_slowpath) from [<81b0d120>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:305)
[<81b0d0e4>] (mutex_lock) from [<80507200>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vfree+0x168/0x1d8 mm/vmalloc.c:3461)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:860fc900
 r4:00000000
[<8050ae8c>] (vfree) from [<8057a880>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:839da4c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f22a000
[<8057a850>] (execmem_free) from [<803d0c5c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1070)
 r5:00001000 r4:dfaf5000
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_binary_free kernel/bpf/core.c:1116 [inline])
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1239)
[<803d0fd8>] (bpf_jit_free) from [<803d20e4>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3029)
 r5:85f23f8c r4:85f23f8c
[<803d1f9c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0 kernel/workqueue.c:3302)
 r7:dddd0e00 r6:8302b000 r5:85f23f8c r4:8601ec80
[<80276198>] (process_one_work) from [<80277124>] (process_scheduled_works kernel/workqueue.c:3385 [inline])
[<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3466)
 r10:dddd0e00 r9:8601ecb0 r8:839da4c0 r7:82a03d80 r6:dddd0e20 r5:dddd0e00
 r4:8601ec80
[<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:df83de88 r8:8601ec00 r7:8601ec80 r6:80276fb8 r5:839da4c0
 r4:860b6f40
[<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfd5dfb0 to 0xdfd5dff8)
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 r5:80281060 r4:860b6f40
INFO: task kworker/0:5:3705 is blocked on a mutex likely owned by task kworker/1:9:21461.
task:kworker/1:9     state:R  running task     stack:0     pid:21461 tgid:21461 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b083bc>] (__schedule) from [<81b09c84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7512)
 r10:82a0b880 r9:84083100 r8:80200c04 r7:dfbe1d7c r6:ffffffff r5:84083100
 r4:00000000
[<81b09c44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfbe1d48 to 0xdfbe1d90)
1d40:                   ad8bf000 eaf8b000 00000000 80238790 82cceee0 82ccfb24
1d60: 7f00b000 eaf8b000 00000000 00000001 82a0b880 dfbe1dbc eaf8b000 dfbe1d98
1d80: 8022f6e0 802387a8 80000013 ffffffff
 r5:80000013 r4:802387a8
[<8022f680>] (flush_tlb_kernel_range) from [<80506fb4>] (__purge_vmap_area_lazy+0x294/0x484 mm/vmalloc.c:2376)
[<80506d20>] (__purge_vmap_area_lazy) from [<8050738c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:dfbe1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbe1e28
 r4:dfbe1de0
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vfree+0x168/0x1d8 mm/vmalloc.c:3461)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:868c2380
 r4:00000000
[<8050ae8c>] (vfree) from [<8057a880>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:84083100 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f232000
[<8057a850>] (execmem_free) from [<803d0c5c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1070)
 r5:00001000 r4:dfd6f000
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_binary_free kernel/bpf/core.c:1116 [inline])
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1239)
[<803d0fd8>] (bpf_jit_free) from [<803d20e4>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3029)
 r5:865cdb8c r4:865cdb8c
[<803d1f9c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0 kernel/workqueue.c:3302)
 r7:ddde4e00 r6:8302ae00 r5:865cdb8c r4:85fee500
[<80276198>] (process_one_work) from [<80277124>] (process_scheduled_works kernel/workqueue.c:3385 [inline])
[<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3466)
 r10:ddde4e00 r9:85fee530 r8:84083100 r7:82a03d80 r6:ddde4e20 r5:ddde4e00
 r4:85fee500
[<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfb09e88 r8:869e2480 r7:85fee500 r6:80276fb8 r5:84083100
 r4:867c9180
[<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfbe1fb0 to 0xdfbe1ff8)
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 r5:80281060 r4:867c9180
INFO: task kworker/0:0:6445 blocked for more than 436 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:0     state:D stack:0     pid:6445  tgid:6445  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b083bc>] (__schedule) from [<81b0984c>] (__schedule_loop kernel/sched/core.c:7267 [inline])
[<81b083bc>] (__schedule) from [<81b0984c>] (schedule+0x2c/0x134 kernel/sched/core.c:7282)
 r10:e0285da4 r9:e0285dac r8:00000002 r7:60030013 r6:82ccfb4c r5:83f66e40
 r4:83f66e40
[<81b09820>] (schedule) from [<81b099d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7339)
 r5:83f66e40 r4:82ccfb48
[<81b099c0>] (schedule_preempt_disabled) from [<81b0cab4>] (__mutex_lock_common kernel/locking/mutex.c:712 [inline])
[<81b099c0>] (schedule_preempt_disabled) from [<81b0cab4>] (__mutex_lock.constprop.0+0x530/0xa88 kernel/locking/mutex.c:806)
[<81b0c584>] (__mutex_lock.constprop.0) from [<81b0d0e0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1100)
 r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0285e28
 r4:00000000
[<81b0d0cc>] (__mutex_lock_slowpath) from [<81b0d120>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:305)
[<81b0d0e4>] (mutex_lock) from [<80507200>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vfree+0x168/0x1d8 mm/vmalloc.c:3461)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86176400
 r4:00000000
[<8050ae8c>] (vfree) from [<8057a880>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:83f66e40 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f234000
[<8057a850>] (execmem_free) from [<803d0c5c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1070)
 r5:00001000 r4:dfd8c000
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_binary_free kernel/bpf/core.c:1116 [inline])
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1239)
[<803d0fd8>] (bpf_jit_free) from [<803d20e4>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3029)
 r5:863df78c r4:863df78c
[<803d1f9c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0 kernel/workqueue.c:3302)
 r7:dddd0e00 r6:8302b000 r5:863df78c r4:86614700
[<80276198>] (process_one_work) from [<80277124>] (process_scheduled_works kernel/workqueue.c:3385 [inline])
[<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3466)
 r10:00000000 r9:86614730 r8:83f66e40 r7:82a03d80 r6:dddd0e20 r5:dddd0e00
 r4:86614700
[<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:df909e88 r8:864f8b80 r7:86614700 r6:80276fb8 r5:83f66e40
 r4:85ff3800
[<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0285fb0 to 0xe0285ff8)
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 r5:80281060 r4:85ff3800
INFO: task kworker/0:0:6445 is blocked on a mutex likely owned by task kworker/1:9:21461.
task:kworker/1:9     state:R  running task     stack:0     pid:21461 tgid:21461 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b083bc>] (__schedule) from [<81b09c84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7512)
 r10:82a0b880 r9:84083100 r8:80200c04 r7:dfbe1d7c r6:ffffffff r5:84083100
 r4:00000000
[<81b09c44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfbe1d48 to 0xdfbe1d90)
1d40:                   ae27b000 eaf8b000 00000000 80238790 82cceee0 82ccfb24
1d60: 7f00b000 eaf8b000 00000000 00000001 82a0b880 dfbe1dbc eaf8b000 dfbe1d98
1d80: 8022f6e0 802387a8 80000013 ffffffff
 r5:80000013 r4:802387a8
[<8022f680>] (flush_tlb_kernel_range) from [<80506fb4>] (__purge_vmap_area_lazy+0x294/0x484 mm/vmalloc.c:2376)
[<80506d20>] (__purge_vmap_area_lazy) from [<8050738c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:dfbe1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbe1e28
 r4:dfbe1de0
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vfree+0x168/0x1d8 mm/vmalloc.c:3461)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:868c2380
 r4:00000000
[<8050ae8c>] (vfree) from [<8057a880>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:84083100 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f232000
[<8057a850>] (execmem_free) from [<803d0c5c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1070)
 r5:00001000 r4:dfd6f000
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_binary_free kernel/bpf/core.c:1116 [inline])
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1239)
[<803d0fd8>] (bpf_jit_free) from [<803d20e4>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3029)
 r5:865cdb8c r4:865cdb8c
[<803d1f9c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0 kernel/workqueue.c:3302)
 r7:ddde4e00 r6:8302ae00 r5:865cdb8c r4:85fee500
[<80276198>] (process_one_work) from [<80277124>] (process_scheduled_works kernel/workqueue.c:3385 [inline])
[<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3466)
 r10:ddde4e00 r9:85fee530 r8:84083100 r7:82a03d80 r6:ddde4e20 r5:ddde4e00
 r4:85fee500
[<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfb09e88 r8:869e2480 r7:85fee500 r6:80276fb8 r5:84083100
 r4:867c9180
[<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfbe1fb0 to 0xdfbe1ff8)
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 r5:80281060 r4:867c9180
INFO: task kworker/1:5:7267 blocked for more than 440 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5     state:D stack:0     pid:7267  tgid:7267  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b083bc>] (__schedule) from [<81b0984c>] (__schedule_loop kernel/sched/core.c:7267 [inline])
[<81b083bc>] (__schedule) from [<81b0984c>] (schedule+0x2c/0x134 kernel/sched/core.c:7282)
 r10:dfb09da4 r9:dfb09dac r8:00000002 r7:60000113 r6:82ccfb4c r5:84ed1880
 r4:84ed1880
[<81b09820>] (schedule) from [<81b099d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7339)
 r5:84ed1880 r4:82ccfb48
[<81b099c0>] (schedule_preempt_disabled) from [<81b0cab4>] (__mutex_lock_common kernel/locking/mutex.c:712 [inline])
[<81b099c0>] (schedule_preempt_disabled) from [<81b0cab4>] (__mutex_lock.constprop.0+0x530/0xa88 kernel/locking/mutex.c:806)
[<81b0c584>] (__mutex_lock.constprop.0) from [<81b0d0e0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1100)
 r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb09e28
 r4:00000000
[<81b0d0cc>] (__mutex_lock_slowpath) from [<81b0d120>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:305)
[<81b0d0e4>] (mutex_lock) from [<80507200>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vfree+0x168/0x1d8 mm/vmalloc.c:3461)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:862ca800
 r4:00000000
[<8050ae8c>] (vfree) from [<8057a880>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:84ed1880 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f23e000
[<8057a850>] (execmem_free) from [<803d0c5c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1070)
 r5:00001000 r4:ea435000
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_binary_free kernel/bpf/core.c:1116 [inline])
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1239)
[<803d0fd8>] (bpf_jit_free) from [<803d20e4>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3029)
 r5:85f47b8c r4:85f47b8c
[<803d1f9c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0 kernel/workqueue.c:3302)
 r7:ddde4e00 r6:8302ae00 r5:85f47b8c r4:85b4b580
[<80276198>] (process_one_work) from [<80277124>] (process_scheduled_works kernel/workqueue.c:3385 [inline])
[<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3466)
 r10:ddde4e00 r9:85b4b5b0 r8:84ed1880 r7:82a03d80 r6:ddde4e20 r5:ddde4e00
 r4:85b4b580
[<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfacde88 r8:86194500 r7:85b4b580 r6:80276fb8 r5:84ed1880
 r4:866369c0
[<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfb09fb0 to 0xdfb09ff8)
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 r5:80281060 r4:866369c0
INFO: task kworker/1:5:7267 is blocked on a mutex likely owned by task kworker/1:9:21461.
task:kworker/1:9     state:R  running task     stack:0     pid:21461 tgid:21461 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b083bc>] (__schedule) from [<81b09c84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7512)
 r10:82a0b880 r9:84083100 r8:80200c04 r7:dfbe1d7c r6:ffffffff r5:84083100
 r4:00000000
[<81b09c44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfbe1d48 to 0xdfbe1d90)
1d40:                   b20e6000 eaf8b000 00000000 80238790 82cceee0 82ccfb24
1d60: 7f00b000 eaf8b000 00000000 00000001 82a0b880 dfbe1dbc eaf8b000 dfbe1d98
1d80: 8022f6e0 802387a8 80000013 ffffffff
 r5:80000013 r4:802387a8
[<8022f680>] (flush_tlb_kernel_range) from [<80506fb4>] (__purge_vmap_area_lazy+0x294/0x484 mm/vmalloc.c:2376)
[<80506d20>] (__purge_vmap_area_lazy) from [<8050738c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:dfbe1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbe1e28
 r4:dfbe1de0
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vfree+0x168/0x1d8 mm/vmalloc.c:3461)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:868c2380
 r4:00000000
[<8050ae8c>] (vfree) from [<8057a880>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:84083100 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f232000
[<8057a850>] (execmem_free) from [<803d0c5c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1070)
 r5:00001000 r4:dfd6f000
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_binary_free kernel/bpf/core.c:1116 [inline])
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1239)
[<803d0fd8>] (bpf_jit_free) from [<803d20e4>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3029)
 r5:865cdb8c r4:865cdb8c
[<803d1f9c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0 kernel/workqueue.c:3302)
 r7:ddde4e00 r6:8302ae00 r5:865cdb8c r4:85fee500
[<80276198>] (process_one_work) from [<80277124>] (process_scheduled_works kernel/workqueue.c:3385 [inline])
[<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3466)
 r10:ddde4e00 r9:85fee530 r8:84083100 r7:82a03d80 r6:ddde4e20 r5:ddde4e00
 r4:85fee500
[<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfb09e88 r8:869e2480 r7:85fee500 r6:80276fb8 r5:84083100
 r4:867c9180
[<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfbe1fb0 to 0xdfbe1ff8)
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 r5:80281060 r4:867c9180
INFO: task kworker/0:2:18091 blocked for more than 449 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:2     state:D stack:0     pid:18091 tgid:18091 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b083bc>] (__schedule) from [<81b0984c>] (__schedule_loop kernel/sched/core.c:7267 [inline])
[<81b083bc>] (__schedule) from [<81b0984c>] (schedule+0x2c/0x134 kernel/sched/core.c:7282)
 r10:ea761da4 r9:ea761dac r8:00000002 r7:60000013 r6:82ccfb4c r5:848a6200
 r4:848a6200
[<81b09820>] (schedule) from [<81b099d8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7339)
 r5:848a6200 r4:82ccfb48
[<81b099c0>] (schedule_preempt_disabled) from [<81b0cab4>] (__mutex_lock_common kernel/locking/mutex.c:712 [inline])
[<81b099c0>] (schedule_preempt_disabled) from [<81b0cab4>] (__mutex_lock.constprop.0+0x530/0xa88 kernel/locking/mutex.c:806)
[<81b0c584>] (__mutex_lock.constprop.0) from [<81b0d0e0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1100)
 r10:82a0b82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea761e28
 r4:00000000
[<81b0d0cc>] (__mutex_lock_slowpath) from [<81b0d120>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:305)
[<81b0d0e4>] (mutex_lock) from [<80507200>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2951)
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vfree+0x168/0x1d8 mm/vmalloc.c:3461)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:867db840
 r4:00000000
[<8050ae8c>] (vfree) from [<8057a880>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:848a6200 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f23c000
[<8057a850>] (execmem_free) from [<803d0c5c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1070)
 r5:00001000 r4:e4361000
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_binary_free kernel/bpf/core.c:1116 [inline])
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1239)
[<803d0fd8>] (bpf_jit_free) from [<803d20e4>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3029)
 r5:85dd278c r4:85dd278c
[<803d1f9c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0 kernel/workqueue.c:3302)
 r7:dddd0e00 r6:8302b000 r5:85dd278c r4:869e1e00
[<80276198>] (process_one_work) from [<80277124>] (process_scheduled_works kernel/workqueue.c:3385 [inline])
[<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3466)
 r10:00000000 r9:869e1e30 r8:848a6200 r7:82a03d80 r6:dddd0e20 r5:dddd0e00
 r4:869e1e00
[<80276fb8>] (worker_thread) from [<8028117c>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfd5de88 r8:867c1580 r7:869e1e00 r6:80276fb8 r5:848a6200
 r4:8612afc0
[<80281060>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea761fb0 to 0xea761ff8)
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 r5:80281060 r4:8612afc0
INFO: task kworker/0:2:18091 is blocked on a mutex likely owned by task kworker/1:9:21461.
task:kworker/1:9     state:R  running task     stack:0     pid:21461 tgid:21461 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81b083bc>] (__schedule) from [<81b09c84>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7512)
 r10:82a0b880 r9:84083100 r8:80200c04 r7:dfbe1d7c r6:ffffffff r5:84083100
 r4:00000000
[<81b09c44>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfbe1d48 to 0xdfbe1d90)
1d40:                   b5d28000 eaf8b000 00000000 80238790 82cceee0 82ccfb24
1d60: 7f00b000 eaf8b000 00000000 00000001 82a0b880 dfbe1dbc eaf8b000 dfbe1d98
1d80: 8022f6e0 802387a8 80000013 ffffffff
 r5:80000013 r4:802387a8
[<8022f680>] (flush_tlb_kernel_range) from [<80506fb4>] (__purge_vmap_area_lazy+0x294/0x484 mm/vmalloc.c:2376)
[<80506d20>] (__purge_vmap_area_lazy) from [<8050738c>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2990)
 r10:00000000 r9:dfbe1de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfbe1e28
 r4:dfbe1de0
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vm_reset_perms mm/vmalloc.c:3382 [inline])
[<805071a4>] (_vm_unmap_aliases) from [<8050aff4>] (vfree+0x168/0x1d8 mm/vmalloc.c:3461)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:868c2380
 r4:00000000
[<8050ae8c>] (vfree) from [<8057a880>] (execmem_free+0x30/0x50 mm/execmem.c:506)
 r9:84083100 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f232000
[<8057a850>] (execmem_free) from [<803d0c5c>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1070)
 r5:00001000 r4:dfd6f000
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_binary_free kernel/bpf/core.c:1116 [inline])
[<803d0c4c>] (bpf_jit_free_exec) from [<803d103c>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1239)
[<803d0fd8>] (bpf_jit_free) from [<803d20e4>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:3029)
 r5:865cdb8c r4:865cdb8c
[<803d1f9c>] (bpf_prog_free_deferred) from [<80276360>] (process_one_work+0x1c8/0x5a0 kernel/workqueue.c:3302)
 r7:ddde4e00 r6:8302ae00 r5:865cdb8c r4:85fee500
[<80276198>] (process_one_work) from [<80277124>] (process_scheduled_works kernel/workqueue.c:3385 [inline])
[<80276198>] (process_one_work) from [<80277124>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3466)
 r10:ddde4e00 r9:85fee530 r8:84083100 r7:82a03d80 r6:ddde4e20 r5:ddde4e00