INFO: task kworker/1:2:7885 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/1:2     state:D stack:0     pid:7885  tgid:7885  ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81aea50c>] (__schedule) from [<81aeb920>] (__schedule_loop kernel/sched/core.c:6993 [inline])
[<81aea50c>] (__schedule) from [<81aeb920>] (schedule+0x2c/0x134 kernel/sched/core.c:7008)
 r10:dfb09da4 r9:00000002 r8:600f0013 r7:dfb09dac r6:82918014 r5:83ac6e40
 r4:83ac6e40
[<81aeb8f4>] (schedule) from [<81aebaac>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7065)
 r5:83ac6e40 r4:82918010
[<81aeba94>] (schedule_preempt_disabled) from [<81aee9f4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81aeba94>] (schedule_preempt_disabled) from [<81aee9f4>] (__mutex_lock.constprop.0+0x480/0x9cc kernel/locking/mutex.c:776)
[<81aee574>] (__mutex_lock.constprop.0) from [<81aef014>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfb09e28
 r4:00000000
[<81aef000>] (__mutex_lock_slowpath) from [<81aef054>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81aef018>] (mutex_lock) from [<804fd8ec>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2957)
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vm_reset_perms mm/vmalloc.c:3388 [inline])
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3467)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:861d2440
 r4:00000000
[<80501578>] (vfree) from [<8056f870>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83ac6e40 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f290000
[<8056f840>] (execmem_free) from [<803cf288>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1071)
 r5:00001000 r4:dfaf1000
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_binary_free kernel/bpf/core.c:1117 [inline])
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1240)
[<803cf604>] (bpf_jit_free) from [<803d067c>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:2968)
 r5:86cd5394 r4:86cd5394
[<803d0534>] (bpf_prog_free_deferred) from [<802766b8>] (process_one_work+0x1c8/0x59c kernel/workqueue.c:3276)
 r7:ddde4d80 r6:8302ae00 r5:86cd5394 r4:87658d80
[<802764f0>] (process_one_work) from [<80277478>] (process_scheduled_works kernel/workqueue.c:3359 [inline])
[<802764f0>] (process_one_work) from [<80277478>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3440)
 r10:ddde4d80 r9:87658db0 r8:83ac6e40 r7:82804d80 r6:ddde4da0 r5:ddde4d80
 r4:87658d80
[<8027730c>] (worker_thread) from [<802814a4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:ebe8de88 r8:86c7cc80 r7:87658d80 r6:8027730c r5:83ac6e40
 r4:86f99f00
[<80281388>] (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 r5:80281388 r4:86f99f00
INFO: task kworker/1:2:7885 is blocked on a mutex likely owned by task kworker/1:10:26259.
task:kworker/1:10    state:R  running task     stack:0     pid:26259 tgid:26259 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81aea50c>] (__schedule) from [<81aebd58>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7238)
 r10:8280c880 r9:84eca4c0 r8:80200c04 r7:dfa21d7c r6:ffffffff r5:84eca4c0
 r4:00000000
[<81aebd18>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfa21d48 to 0xdfa21d90)
1d40:                   c364e000 eac19000 00000000 802387d0 82ad3620 82ad4264
1d60: 7f26e000 eac19000 00000000 00000001 8280c880 dfa21dbc eac19000 dfa21d98
1d80: 8022f700 802387e8 80000013 ffffffff
 r5:80000013 r4:802387e8
[<8022f6a0>] (flush_tlb_kernel_range) from [<804fd69c>] (__purge_vmap_area_lazy+0x298/0x48c mm/vmalloc.c:2382)
[<804fd404>] (__purge_vmap_area_lazy) from [<804fda78>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2996)
 r10:00000000 r9:dfa21de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfa21e28
 r4:dfa21de0
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vm_reset_perms mm/vmalloc.c:3388 [inline])
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3467)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8689aa40
 r4:00000000
[<80501578>] (vfree) from [<8056f870>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:84eca4c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f2a0000
[<8056f840>] (execmem_free) from [<803cf288>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1071)
 r5:00001000 r4:e01a9000
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_binary_free kernel/bpf/core.c:1117 [inline])
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1240)
[<803cf604>] (bpf_jit_free) from [<803d067c>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:2968)
 r5:85935394 r4:85935394
[<803d0534>] (bpf_prog_free_deferred) from [<802766b8>] (process_one_work+0x1c8/0x59c kernel/workqueue.c:3276)
 r7:ddde4d80 r6:8302ae00 r5:85935394 r4:87be3500
[<802764f0>] (process_one_work) from [<80277478>] (process_scheduled_works kernel/workqueue.c:3359 [inline])
[<802764f0>] (process_one_work) from [<80277478>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3440)
 r10:00000000 r9:87be3530 r8:84eca4c0 r7:82804d80 r6:ddde4da0 r5:ddde4d80
 r4:87be3500
[<8027730c>] (worker_thread) from [<802814a4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfc01e88 r8:85af8100 r7:87be3500 r6:8027730c r5:84eca4c0
 r4:86852140
[<80281388>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfa21fb0 to 0xdfa21ff8)
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 r5:80281388 r4:86852140
INFO: task kworker/1:0:21898 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/1:0     state:D stack:0     pid:21898 tgid:21898 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81aea50c>] (__schedule) from [<81aeb920>] (__schedule_loop kernel/sched/core.c:6993 [inline])
[<81aea50c>] (__schedule) from [<81aeb920>] (schedule+0x2c/0x134 kernel/sched/core.c:7008)
 r10:eb30dda4 r9:00000002 r8:60000013 r7:eb30ddac r6:82918014 r5:83bed5c0
 r4:83bed5c0
[<81aeb8f4>] (schedule) from [<81aebaac>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7065)
 r5:83bed5c0 r4:82918010
[<81aeba94>] (schedule_preempt_disabled) from [<81aee9f4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81aeba94>] (schedule_preempt_disabled) from [<81aee9f4>] (__mutex_lock.constprop.0+0x480/0x9cc kernel/locking/mutex.c:776)
[<81aee574>] (__mutex_lock.constprop.0) from [<81aef014>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eb30de28
 r4:00000000
[<81aef000>] (__mutex_lock_slowpath) from [<81aef054>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81aef018>] (mutex_lock) from [<804fd8ec>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2957)
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vm_reset_perms mm/vmalloc.c:3388 [inline])
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3467)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86fbc300
 r4:00000000
[<80501578>] (vfree) from [<8056f870>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83bed5c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f29c000
[<8056f840>] (execmem_free) from [<803cf288>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1071)
 r5:00001000 r4:dfcf5000
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_binary_free kernel/bpf/core.c:1117 [inline])
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1240)
[<803cf604>] (bpf_jit_free) from [<803d067c>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:2968)
 r5:86cf1394 r4:86cf1394
[<803d0534>] (bpf_prog_free_deferred) from [<802766b8>] (process_one_work+0x1c8/0x59c kernel/workqueue.c:3276)
 r7:ddde4d80 r6:8302ae00 r5:86cf1394 r4:85ae3880
[<802764f0>] (process_one_work) from [<80277478>] (process_scheduled_works kernel/workqueue.c:3359 [inline])
[<802764f0>] (process_one_work) from [<80277478>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3440)
 r10:ddde4d80 r9:85ae38b0 r8:83bed5c0 r7:82804d80 r6:ddde4da0 r5:ddde4d80
 r4:85ae3880
[<8027730c>] (worker_thread) from [<802814a4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfaf5e88 r8:85d11680 r7:85ae3880 r6:8027730c r5:83bed5c0
 r4:86102d40
[<80281388>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeb30dfb0 to 0xeb30dff8)
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 r5:80281388 r4:86102d40
INFO: task kworker/1:0:21898 is blocked on a mutex likely owned by task kworker/1:10:26259.
task:kworker/1:10    state:R  running task     stack:0     pid:26259 tgid:26259 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81aea50c>] (__schedule) from [<81aebd58>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7238)
 r10:8280c880 r9:84eca4c0 r8:80200c04 r7:dfa21d7c r6:ffffffff r5:84eca4c0
 r4:00000000
[<81aebd18>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfa21d48 to 0xdfa21d90)
1d40:                   c364e000 eac19000 00000000 802387d0 82ad3620 82ad4264
1d60: 7f26e000 eac19000 00000000 00000001 8280c880 dfa21dbc eac19000 dfa21d98
1d80: 8022f700 802387e8 80000013 ffffffff
 r5:80000013 r4:802387e8
[<8022f6a0>] (flush_tlb_kernel_range) from [<804fd69c>] (__purge_vmap_area_lazy+0x298/0x48c mm/vmalloc.c:2382)
[<804fd404>] (__purge_vmap_area_lazy) from [<804fda78>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2996)
 r10:00000000 r9:dfa21de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfa21e28
 r4:dfa21de0
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vm_reset_perms mm/vmalloc.c:3388 [inline])
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3467)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8689aa40
 r4:00000000
[<80501578>] (vfree) from [<8056f870>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:84eca4c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f2a0000
[<8056f840>] (execmem_free) from [<803cf288>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1071)
 r5:00001000 r4:e01a9000
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_binary_free kernel/bpf/core.c:1117 [inline])
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1240)
[<803cf604>] (bpf_jit_free) from [<803d067c>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:2968)
 r5:85935394 r4:85935394
[<803d0534>] (bpf_prog_free_deferred) from [<802766b8>] (process_one_work+0x1c8/0x59c kernel/workqueue.c:3276)
 r7:ddde4d80 r6:8302ae00 r5:85935394 r4:87be3500
[<802764f0>] (process_one_work) from [<80277478>] (process_scheduled_works kernel/workqueue.c:3359 [inline])
[<802764f0>] (process_one_work) from [<80277478>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3440)
 r10:00000000 r9:87be3530 r8:84eca4c0 r7:82804d80 r6:ddde4da0 r5:ddde4d80
 r4:87be3500
[<8027730c>] (worker_thread) from [<802814a4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfc01e88 r8:85af8100 r7:87be3500 r6:8027730c r5:84eca4c0
 r4:86852140
[<80281388>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfa21fb0 to 0xdfa21ff8)
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 r5:80281388 r4:86852140
INFO: task kworker/1:1:23776 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/1:1     state:D stack:0     pid:23776 tgid:23776 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81aea50c>] (__schedule) from [<81aeb920>] (__schedule_loop kernel/sched/core.c:6993 [inline])
[<81aea50c>] (__schedule) from [<81aeb920>] (schedule+0x2c/0x134 kernel/sched/core.c:7008)
 r10:ea5f1da4 r9:00000002 r8:60000113 r7:ea5f1dac r6:82918014 r5:8479b100
 r4:8479b100
[<81aeb8f4>] (schedule) from [<81aebaac>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7065)
 r5:8479b100 r4:82918010
[<81aeba94>] (schedule_preempt_disabled) from [<81aee9f4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81aeba94>] (schedule_preempt_disabled) from [<81aee9f4>] (__mutex_lock.constprop.0+0x480/0x9cc kernel/locking/mutex.c:776)
[<81aee574>] (__mutex_lock.constprop.0) from [<81aef014>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea5f1e28
 r4:00000000
[<81aef000>] (__mutex_lock_slowpath) from [<81aef054>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81aef018>] (mutex_lock) from [<804fd8ec>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2957)
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vm_reset_perms mm/vmalloc.c:3388 [inline])
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3467)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86fbc0c0
 r4:00000000
[<80501578>] (vfree) from [<8056f870>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:8479b100 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f29e000
[<8056f840>] (execmem_free) from [<803cf288>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1071)
 r5:00001000 r4:dfd37000
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_binary_free kernel/bpf/core.c:1117 [inline])
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1240)
[<803cf604>] (bpf_jit_free) from [<803d067c>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:2968)
 r5:85936394 r4:85936394
[<803d0534>] (bpf_prog_free_deferred) from [<802766b8>] (process_one_work+0x1c8/0x59c kernel/workqueue.c:3276)
 r7:ddde4d80 r6:8302ae00 r5:85936394 r4:864e2100
[<802764f0>] (process_one_work) from [<80277478>] (process_scheduled_works kernel/workqueue.c:3359 [inline])
[<802764f0>] (process_one_work) from [<80277478>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3440)
 r10:ddde4d80 r9:864e2130 r8:8479b100 r7:82804d80 r6:ddde4da0 r5:ddde4d80
 r4:864e2100
[<8027730c>] (worker_thread) from [<802814a4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:eb30de88 r8:87034d00 r7:864e2100 r6:8027730c r5:8479b100
 r4:864dc980
[<80281388>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea5f1fb0 to 0xea5f1ff8)
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 r5:80281388 r4:864dc980
INFO: task kworker/1:1:23776 is blocked on a mutex likely owned by task kworker/1:10:26259.
task:kworker/1:10    state:R  running task     stack:0     pid:26259 tgid:26259 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81aea50c>] (__schedule) from [<81aebd58>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7238)
 r10:8280c880 r9:84eca4c0 r8:80200c04 r7:dfa21d7c r6:ffffffff r5:84eca4c0
 r4:00000000
[<81aebd18>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfa21d48 to 0xdfa21d90)
1d40:                   c364e000 eac19000 00000000 802387d0 82ad3620 82ad4264
1d60: 7f26e000 eac19000 00000000 00000001 8280c880 dfa21dbc eac19000 dfa21d98
1d80: 8022f700 802387e8 80000013 ffffffff
 r5:80000013 r4:802387e8
[<8022f6a0>] (flush_tlb_kernel_range) from [<804fd69c>] (__purge_vmap_area_lazy+0x298/0x48c mm/vmalloc.c:2382)
[<804fd404>] (__purge_vmap_area_lazy) from [<804fda78>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2996)
 r10:00000000 r9:dfa21de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfa21e28
 r4:dfa21de0
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vm_reset_perms mm/vmalloc.c:3388 [inline])
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3467)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8689aa40
 r4:00000000
[<80501578>] (vfree) from [<8056f870>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:84eca4c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f2a0000
[<8056f840>] (execmem_free) from [<803cf288>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1071)
 r5:00001000 r4:e01a9000
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_binary_free kernel/bpf/core.c:1117 [inline])
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1240)
[<803cf604>] (bpf_jit_free) from [<803d067c>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:2968)
 r5:85935394 r4:85935394
[<803d0534>] (bpf_prog_free_deferred) from [<802766b8>] (process_one_work+0x1c8/0x59c kernel/workqueue.c:3276)
 r7:ddde4d80 r6:8302ae00 r5:85935394 r4:87be3500
[<802764f0>] (process_one_work) from [<80277478>] (process_scheduled_works kernel/workqueue.c:3359 [inline])
[<802764f0>] (process_one_work) from [<80277478>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3440)
 r10:00000000 r9:87be3530 r8:84eca4c0 r7:82804d80 r6:ddde4da0 r5:ddde4d80
 r4:87be3500
[<8027730c>] (worker_thread) from [<802814a4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfc01e88 r8:85af8100 r7:87be3500 r6:8027730c r5:84eca4c0
 r4:86852140
[<80281388>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfa21fb0 to 0xdfa21ff8)
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 r5:80281388 r4:86852140
INFO: task kworker/1:5:23917 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/1:5     state:D stack:0     pid:23917 tgid:23917 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81aea50c>] (__schedule) from [<81aeb920>] (__schedule_loop kernel/sched/core.c:6993 [inline])
[<81aea50c>] (__schedule) from [<81aeb920>] (schedule+0x2c/0x134 kernel/sched/core.c:7008)
 r10:ea875da4 r9:00000002 r8:60000013 r7:ea875dac r6:82918014 r5:84f00000
 r4:84f00000
[<81aeb8f4>] (schedule) from [<81aebaac>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7065)
 r5:84f00000 r4:82918010
[<81aeba94>] (schedule_preempt_disabled) from [<81aee9f4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81aeba94>] (schedule_preempt_disabled) from [<81aee9f4>] (__mutex_lock.constprop.0+0x480/0x9cc kernel/locking/mutex.c:776)
[<81aee574>] (__mutex_lock.constprop.0) from [<81aef014>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea875e28
 r4:00000000
[<81aef000>] (__mutex_lock_slowpath) from [<81aef054>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81aef018>] (mutex_lock) from [<804fd8ec>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2957)
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vm_reset_perms mm/vmalloc.c:3388 [inline])
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3467)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86b04800
 r4:00000000
[<80501578>] (vfree) from [<8056f870>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:84f00000 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f280000
[<8056f840>] (execmem_free) from [<803cf288>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1071)
 r5:00001000 r4:dfae1000
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_binary_free kernel/bpf/core.c:1117 [inline])
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1240)
[<803cf604>] (bpf_jit_free) from [<803d067c>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:2968)
 r5:86cd4394 r4:86cd4394
[<803d0534>] (bpf_prog_free_deferred) from [<802766b8>] (process_one_work+0x1c8/0x59c kernel/workqueue.c:3276)
 r7:ddde4d80 r6:8302ae00 r5:86cd4394 r4:845acb80
[<802764f0>] (process_one_work) from [<80277478>] (process_scheduled_works kernel/workqueue.c:3359 [inline])
[<802764f0>] (process_one_work) from [<80277478>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3440)
 r10:00000000 r9:845acbb0 r8:84f00000 r7:82804d80 r6:ddde4da0 r5:ddde4d80
 r4:845acb80
[<8027730c>] (worker_thread) from [<802814a4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:e4449e88 r8:83341700 r7:845acb80 r6:8027730c r5:84f00000
 r4:861484c0
[<80281388>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea875fb0 to 0xea875ff8)
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 r5:80281388 r4:861484c0
INFO: task kworker/1:5:23917 is blocked on a mutex likely owned by task kworker/1:10:26259.
task:kworker/1:10    state:R  running task     stack:0     pid:26259 tgid:26259 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81aea50c>] (__schedule) from [<81aebd58>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7238)
 r10:8280c880 r9:84eca4c0 r8:80200c04 r7:dfa21d7c r6:ffffffff r5:84eca4c0
 r4:00000000
[<81aebd18>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfa21d48 to 0xdfa21d90)
1d40:                   c364e000 eac19000 00000000 802387d0 82ad3620 82ad4264
1d60: 7f26e000 eac19000 00000000 00000001 8280c880 dfa21dbc eac19000 dfa21d98
1d80: 8022f700 802387e8 80000013 ffffffff
 r5:80000013 r4:802387e8
[<8022f6a0>] (flush_tlb_kernel_range) from [<804fd69c>] (__purge_vmap_area_lazy+0x298/0x48c mm/vmalloc.c:2382)
[<804fd404>] (__purge_vmap_area_lazy) from [<804fda78>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2996)
 r10:00000000 r9:dfa21de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfa21e28
 r4:dfa21de0
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vm_reset_perms mm/vmalloc.c:3388 [inline])
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3467)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8689aa40
 r4:00000000
[<80501578>] (vfree) from [<8056f870>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:84eca4c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f2a0000
[<8056f840>] (execmem_free) from [<803cf288>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1071)
 r5:00001000 r4:e01a9000
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_binary_free kernel/bpf/core.c:1117 [inline])
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1240)
[<803cf604>] (bpf_jit_free) from [<803d067c>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:2968)
 r5:85935394 r4:85935394
[<803d0534>] (bpf_prog_free_deferred) from [<802766b8>] (process_one_work+0x1c8/0x59c kernel/workqueue.c:3276)
 r7:ddde4d80 r6:8302ae00 r5:85935394 r4:87be3500
[<802764f0>] (process_one_work) from [<80277478>] (process_scheduled_works kernel/workqueue.c:3359 [inline])
[<802764f0>] (process_one_work) from [<80277478>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3440)
 r10:00000000 r9:87be3530 r8:84eca4c0 r7:82804d80 r6:ddde4da0 r5:ddde4d80
 r4:87be3500
[<8027730c>] (worker_thread) from [<802814a4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfc01e88 r8:85af8100 r7:87be3500 r6:8027730c r5:84eca4c0
 r4:86852140
[<80281388>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfa21fb0 to 0xdfa21ff8)
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 r5:80281388 r4:86852140
INFO: task kworker/1:7:25918 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/1:7     state:D stack:0     pid:25918 tgid:25918 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81aea50c>] (__schedule) from [<81aeb920>] (__schedule_loop kernel/sched/core.c:6993 [inline])
[<81aea50c>] (__schedule) from [<81aeb920>] (schedule+0x2c/0x134 kernel/sched/core.c:7008)
 r10:dfcfdda4 r9:00000002 r8:600f0013 r7:dfcfddac r6:82918014 r5:84f1e200
 r4:84f1e200
[<81aeb8f4>] (schedule) from [<81aebaac>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7065)
 r5:84f1e200 r4:82918010
[<81aeba94>] (schedule_preempt_disabled) from [<81aee9f4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81aeba94>] (schedule_preempt_disabled) from [<81aee9f4>] (__mutex_lock.constprop.0+0x480/0x9cc kernel/locking/mutex.c:776)
[<81aee574>] (__mutex_lock.constprop.0) from [<81aef014>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfcfde28
 r4:00000000
[<81aef000>] (__mutex_lock_slowpath) from [<81aef054>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81aef018>] (mutex_lock) from [<804fd8ec>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2957)
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vm_reset_perms mm/vmalloc.c:3388 [inline])
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3467)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86b04cc0
 r4:00000000
[<80501578>] (vfree) from [<8056f870>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:84f1e200 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f28e000
[<8056f840>] (execmem_free) from [<803cf288>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1071)
 r5:00001000 r4:dfaef000
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_binary_free kernel/bpf/core.c:1117 [inline])
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1240)
[<803cf604>] (bpf_jit_free) from [<803d067c>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:2968)
 r5:874dfb94 r4:874dfb94
[<803d0534>] (bpf_prog_free_deferred) from [<802766b8>] (process_one_work+0x1c8/0x59c kernel/workqueue.c:3276)
 r7:ddde4d80 r6:8302ae00 r5:874dfb94 r4:87020400
[<802764f0>] (process_one_work) from [<80277478>] (process_scheduled_works kernel/workqueue.c:3359 [inline])
[<802764f0>] (process_one_work) from [<80277478>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3440)
 r10:00000000 r9:87020430 r8:84f1e200 r7:82804d80 r6:ddde4da0 r5:ddde4d80
 r4:87020400
[<8027730c>] (worker_thread) from [<802814a4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:eb30de88 r8:86135300 r7:87020400 r6:8027730c r5:84f1e200
 r4:868b56c0
[<80281388>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfcfdfb0 to 0xdfcfdff8)
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 r5:80281388 r4:868b56c0
INFO: task kworker/1:7:25918 is blocked on a mutex likely owned by task kworker/1:10:26259.
task:kworker/1:10    state:R  running task     stack:0     pid:26259 tgid:26259 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81aea50c>] (__schedule) from [<81aebd58>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7238)
 r10:8280c880 r9:84eca4c0 r8:80200c04 r7:dfa21d7c r6:ffffffff r5:84eca4c0
 r4:00000000
[<81aebd18>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfa21d48 to 0xdfa21d90)
1d40:                   c364e000 eac19000 00000000 802387d0 82ad3620 82ad4264
1d60: 7f26e000 eac19000 00000000 00000001 8280c880 dfa21dbc eac19000 dfa21d98
1d80: 8022f700 802387e8 80000013 ffffffff
 r5:80000013 r4:802387e8
[<8022f6a0>] (flush_tlb_kernel_range) from [<804fd69c>] (__purge_vmap_area_lazy+0x298/0x48c mm/vmalloc.c:2382)
[<804fd404>] (__purge_vmap_area_lazy) from [<804fda78>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2996)
 r10:00000000 r9:dfa21de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfa21e28
 r4:dfa21de0
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vm_reset_perms mm/vmalloc.c:3388 [inline])
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3467)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8689aa40
 r4:00000000
[<80501578>] (vfree) from [<8056f870>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:84eca4c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f2a0000
[<8056f840>] (execmem_free) from [<803cf288>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1071)
 r5:00001000 r4:e01a9000
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_binary_free kernel/bpf/core.c:1117 [inline])
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1240)
[<803cf604>] (bpf_jit_free) from [<803d067c>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:2968)
 r5:85935394 r4:85935394
[<803d0534>] (bpf_prog_free_deferred) from [<802766b8>] (process_one_work+0x1c8/0x59c kernel/workqueue.c:3276)
 r7:ddde4d80 r6:8302ae00 r5:85935394 r4:87be3500
[<802764f0>] (process_one_work) from [<80277478>] (process_scheduled_works kernel/workqueue.c:3359 [inline])
[<802764f0>] (process_one_work) from [<80277478>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3440)
 r10:00000000 r9:87be3530 r8:84eca4c0 r7:82804d80 r6:ddde4da0 r5:ddde4d80
 r4:87be3500
[<8027730c>] (worker_thread) from [<802814a4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfc01e88 r8:85af8100 r7:87be3500 r6:8027730c r5:84eca4c0
 r4:86852140
[<80281388>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfa21fb0 to 0xdfa21ff8)
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 r5:80281388 r4:86852140
INFO: task kworker/0:18:26878 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:26878 tgid:26878 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81aea50c>] (__schedule) from [<81aeb920>] (__schedule_loop kernel/sched/core.c:6993 [inline])
[<81aea50c>] (__schedule) from [<81aeb920>] (schedule+0x2c/0x134 kernel/sched/core.c:7008)
 r10:ea675da4 r9:00000002 r8:60000113 r7:ea675dac r6:82918014 r5:83acb100
 r4:83acb100
[<81aeb8f4>] (schedule) from [<81aebaac>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7065)
 r5:83acb100 r4:82918010
[<81aeba94>] (schedule_preempt_disabled) from [<81aee9f4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81aeba94>] (schedule_preempt_disabled) from [<81aee9f4>] (__mutex_lock.constprop.0+0x480/0x9cc kernel/locking/mutex.c:776)
[<81aee574>] (__mutex_lock.constprop.0) from [<81aef014>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea675e28
 r4:00000000
[<81aef000>] (__mutex_lock_slowpath) from [<81aef054>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81aef018>] (mutex_lock) from [<804fd8ec>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2957)
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vm_reset_perms mm/vmalloc.c:3388 [inline])
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3467)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:868fb8c0
 r4:00000000
[<80501578>] (vfree) from [<8056f870>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:83acb100 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f22e000
[<8056f840>] (execmem_free) from [<803cf288>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1071)
 r5:00001000 r4:dfcff000
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_binary_free kernel/bpf/core.c:1117 [inline])
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1240)
[<803cf604>] (bpf_jit_free) from [<803d067c>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:2968)
 r5:86d19394 r4:86d19394
[<803d0534>] (bpf_prog_free_deferred) from [<802766b8>] (process_one_work+0x1c8/0x59c kernel/workqueue.c:3276)
 r7:dddd0d80 r6:8302b000 r5:86d19394 r4:85c54e80
[<802764f0>] (process_one_work) from [<80277478>] (process_scheduled_works kernel/workqueue.c:3359 [inline])
[<802764f0>] (process_one_work) from [<80277478>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3440)
 r10:dddd0d80 r9:85c54eb0 r8:83acb100 r7:82804d80 r6:dddd0da0 r5:dddd0d80
 r4:85c54e80
[<8027730c>] (worker_thread) from [<802814a4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfcade88 r8:85a93e00 r7:85c54e80 r6:8027730c r5:83acb100
 r4:87d21b00
[<80281388>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xea675fb0 to 0xea675ff8)
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 r5:80281388 r4:87d21b00
INFO: task kworker/0:18:26878 is blocked on a mutex likely owned by task kworker/1:10:26259.
task:kworker/1:10    state:R  running task     stack:0     pid:26259 tgid:26259 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81aea50c>] (__schedule) from [<81aebd58>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7238)
 r10:8280c880 r9:84eca4c0 r8:80200c04 r7:dfa21d7c r6:ffffffff r5:84eca4c0
 r4:00000000
[<81aebd18>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfa21d48 to 0xdfa21d90)
1d40:                   c364e000 eac19000 00000000 802387d0 82ad3620 82ad4264
1d60: 7f26e000 eac19000 00000000 00000001 8280c880 dfa21dbc eac19000 dfa21d98
1d80: 8022f700 802387e8 80000013 ffffffff
 r5:80000013 r4:802387e8
[<8022f6a0>] (flush_tlb_kernel_range) from [<804fd69c>] (__purge_vmap_area_lazy+0x298/0x48c mm/vmalloc.c:2382)
[<804fd404>] (__purge_vmap_area_lazy) from [<804fda78>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2996)
 r10:00000000 r9:dfa21de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfa21e28
 r4:dfa21de0
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vm_reset_perms mm/vmalloc.c:3388 [inline])
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3467)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8689aa40
 r4:00000000
[<80501578>] (vfree) from [<8056f870>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:84eca4c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f2a0000
[<8056f840>] (execmem_free) from [<803cf288>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1071)
 r5:00001000 r4:e01a9000
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_binary_free kernel/bpf/core.c:1117 [inline])
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1240)
[<803cf604>] (bpf_jit_free) from [<803d067c>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:2968)
 r5:85935394 r4:85935394
[<803d0534>] (bpf_prog_free_deferred) from [<802766b8>] (process_one_work+0x1c8/0x59c kernel/workqueue.c:3276)
 r7:ddde4d80 r6:8302ae00 r5:85935394 r4:87be3500
[<802764f0>] (process_one_work) from [<80277478>] (process_scheduled_works kernel/workqueue.c:3359 [inline])
[<802764f0>] (process_one_work) from [<80277478>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3440)
 r10:00000000 r9:87be3530 r8:84eca4c0 r7:82804d80 r6:ddde4da0 r5:ddde4d80
 r4:87be3500
[<8027730c>] (worker_thread) from [<802814a4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfc01e88 r8:85af8100 r7:87be3500 r6:8027730c r5:84eca4c0
 r4:86852140
[<80281388>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfa21fb0 to 0xdfa21ff8)
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 r5:80281388 r4:86852140
INFO: task kworker/0:19:27414 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/0:19    state:D stack:0     pid:27414 tgid:27414 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81aea50c>] (__schedule) from [<81aeb920>] (__schedule_loop kernel/sched/core.c:6993 [inline])
[<81aea50c>] (__schedule) from [<81aeb920>] (schedule+0x2c/0x134 kernel/sched/core.c:7008)
 r10:e0155da4 r9:00000002 r8:600f0013 r7:e0155dac r6:82918014 r5:831824c0
 r4:831824c0
[<81aeb8f4>] (schedule) from [<81aebaac>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7065)
 r5:831824c0 r4:82918010
[<81aeba94>] (schedule_preempt_disabled) from [<81aee9f4>] (__mutex_lock_common kernel/locking/mutex.c:692 [inline])
[<81aeba94>] (schedule_preempt_disabled) from [<81aee9f4>] (__mutex_lock.constprop.0+0x480/0x9cc kernel/locking/mutex.c:776)
[<81aee574>] (__mutex_lock.constprop.0) from [<81aef014>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1065)
 r10:8280c82c r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0155e28
 r4:00000000
[<81aef000>] (__mutex_lock_slowpath) from [<81aef054>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:290)
[<81aef018>] (mutex_lock) from [<804fd8ec>] (_vm_unmap_aliases+0x5c/0x238 mm/vmalloc.c:2957)
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vm_reset_perms mm/vmalloc.c:3388 [inline])
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3467)
 r10:8302b005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86d59400
 r4:00000000
[<80501578>] (vfree) from [<8056f870>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:831824c0 r8:00800000 r7:00000000 r6:8302b000 r5:00001000 r4:7f292000
[<8056f840>] (execmem_free) from [<803cf288>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1071)
 r5:00001000 r4:dfb0b000
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_binary_free kernel/bpf/core.c:1117 [inline])
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1240)
[<803cf604>] (bpf_jit_free) from [<803d067c>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:2968)
 r5:86cd6394 r4:86cd6394
[<803d0534>] (bpf_prog_free_deferred) from [<802766b8>] (process_one_work+0x1c8/0x59c kernel/workqueue.c:3276)
 r7:dddd0d80 r6:8302b000 r5:86cd6394 r4:8758a380
[<802764f0>] (process_one_work) from [<80277478>] (process_scheduled_works kernel/workqueue.c:3359 [inline])
[<802764f0>] (process_one_work) from [<80277478>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3440)
 r10:dddd0d80 r9:8758a3b0 r8:831824c0 r7:82804d80 r6:dddd0da0 r5:dddd0d80
 r4:8758a380
[<8027730c>] (worker_thread) from [<802814a4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfcade88 r8:85ce3500 r7:8758a380 r6:8027730c r5:831824c0
 r4:87130980
[<80281388>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xe0155fb0 to 0xe0155ff8)
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 r5:80281388 r4:87130980
INFO: task kworker/0:19:27414 is blocked on a mutex likely owned by task kworker/1:10:26259.
task:kworker/1:10    state:R  running task     stack:0     pid:26259 tgid:26259 ppid:2      task_flags:0x4208060 flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<81aea50c>] (__schedule) from [<81aebd58>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7238)
 r10:8280c880 r9:84eca4c0 r8:80200c04 r7:dfa21d7c r6:ffffffff r5:84eca4c0
 r4:00000000
[<81aebd18>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18)
Exception stack(0xdfa21d48 to 0xdfa21d90)
1d40:                   c364e000 eac19000 00000000 802387d0 82ad3620 82ad4264
1d60: 7f26e000 eac19000 00000000 00000001 8280c880 dfa21dbc eac19000 dfa21d98
1d80: 8022f700 802387e8 80000013 ffffffff
 r5:80000013 r4:802387e8
[<8022f6a0>] (flush_tlb_kernel_range) from [<804fd69c>] (__purge_vmap_area_lazy+0x298/0x48c mm/vmalloc.c:2382)
[<804fd404>] (__purge_vmap_area_lazy) from [<804fda78>] (_vm_unmap_aliases+0x1e8/0x238 mm/vmalloc.c:2996)
 r10:00000000 r9:dfa21de0 r8:00000000 r7:ffffffff r6:00000008 r5:dfa21e28
 r4:dfa21de0
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vm_reset_perms mm/vmalloc.c:3388 [inline])
[<804fd890>] (_vm_unmap_aliases) from [<805016e4>] (vfree+0x16c/0x210 mm/vmalloc.c:3467)
 r10:8302ae05 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8689aa40
 r4:00000000
[<80501578>] (vfree) from [<8056f870>] (execmem_free+0x30/0x50 mm/execmem.c:503)
 r9:84eca4c0 r8:01800000 r7:00000000 r6:8302ae00 r5:00001000 r4:7f2a0000
[<8056f840>] (execmem_free) from [<803cf288>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1071)
 r5:00001000 r4:e01a9000
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_binary_free kernel/bpf/core.c:1117 [inline])
[<803cf278>] (bpf_jit_free_exec) from [<803cf668>] (bpf_jit_free+0x64/0xe0 kernel/bpf/core.c:1240)
[<803cf604>] (bpf_jit_free) from [<803d067c>] (bpf_prog_free_deferred+0x148/0x160 kernel/bpf/core.c:2968)
 r5:85935394 r4:85935394
[<803d0534>] (bpf_prog_free_deferred) from [<802766b8>] (process_one_work+0x1c8/0x59c kernel/workqueue.c:3276)
 r7:ddde4d80 r6:8302ae00 r5:85935394 r4:87be3500
[<802764f0>] (process_one_work) from [<80277478>] (process_scheduled_works kernel/workqueue.c:3359 [inline])
[<802764f0>] (process_one_work) from [<80277478>] (worker_thread+0x16c/0x318 kernel/workqueue.c:3440)
 r10:00000000 r9:87be3530 r8:84eca4c0 r7:82804d80 r6:ddde4da0 r5:ddde4d80
 r4:87be3500
[<8027730c>] (worker_thread) from [<802814a4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:dfc01e88 r8:85af8100 r7:87be3500 r6:8027730c r5:84eca4c0
 r4:86852140
[<80281388>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xdfa21fb0 to 0xdfa21ff8)
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 r5:80281388 r4:86852140
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 29 Comm: khungtaskd Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: ARM-Versatile Express
Call trace: 
[<80201a14>] (dump_backtrace) from [<80201b08>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:60070093 r6:60070093 r5:822a8764 r4:00000000
[<80201af0>] (show_stack) from [<8021e410>] (__dump_stack lib/dump_stack.c:94 [inline])
[<80201af0>] (show_stack) from [<8021e410>] (dump_stack_lvl+0x5c/0x70 lib/dump_stack.c:120)
[<8021e3b4>] (dump_stack_lvl) from [<8021e43c>] (dump_stack+0x18/0x1c lib/dump_stack.c:129)
 r7:00000000 r6:00070013 r5:00000000 r4:00000001
[<8021e424>] (dump_stack) from [<81ad3f3c>] (nmi_cpu_backtrace+0x150/0x170 lib/nmi_backtrace.c:113)
[<81ad3dec>] (nmi_cpu_backtrace) from [<81ad408c>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62)
 r7:00000000 r6:8280c550 r5:8281afb8 r4:ffffffff
[<81ad3f5c>] (nmi_trigger_cpumask_backtrace) from [<8022f124>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852)
 r9:82ac7834 r8:8280c6d8 r7:00088cde r6:84f1bf44 r5:82804d80 r4:00000048
[<8022f10c>] (arch_trigger_cpumask_backtrace) from [<81adbb7c>] (trigger_all_cpu_backtrace include/linux/nmi.h:161 [inline])
[<8022f10c>] (arch_trigger_cpumask_backtrace) from [<81adbb7c>] (__sys_info lib/sys_info.c:157 [inline])
[<8022f10c>] (arch_trigger_cpumask_backtrace) from [<81adbb7c>] (sys_info+0x68/0xa8 lib/sys_info.c:165)
[<81adbb14>] (sys_info) from [<80385270>] (check_hung_uninterruptible_tasks kernel/hung_task.c:346 [inline])
[<81adbb14>] (sys_info) from [<80385270>] (watchdog+0x59c/0x8d8 kernel/hung_task.c:515)
 r5:82804d80 r4:87065714
[<80384cd4>] (watchdog) from [<802814a4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:df819e60 r8:83385880 r7:00000000 r6:80384cd4 r5:833d0c40
 r4:8332a700
[<80281388>] (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 r5:80281388 r4:8332a700
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 2806 Comm: pr/ttyAMA-1 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: ARM-Versatile Express
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:194
LR is at spin_unlock_irqrestore include/linux/spinlock.h:407 [inline]
LR is at __uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]
LR is at pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603
pc : [<81af4a00>]    lr : [<80acceac>]    psr: 60000113
sp : eb501ec8  ip : eb501ed8  fp : eb501ed4
r10: 8295bbb4  r9 : 00000001  r8 : 00000000
r7 : 00000117  r6 : 8295bb18  r5 : 00000000  r4 : 00000001
r3 : 00001953  r2 : 00000000  r1 : 60000113  r0 : 83bca440
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
Control: 30c5387d  Table: 872d3800  DAC: 00000000
Call trace: 
[<81af49d8>] (_raw_spin_unlock_irqrestore) from [<80acceac>] (spin_unlock_irqrestore include/linux/spinlock.h:407 [inline])
[<81af49d8>] (_raw_spin_unlock_irqrestore) from [<80acceac>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline])
[<81af49d8>] (_raw_spin_unlock_irqrestore) from [<80acceac>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603)
[<80acce8c>] (pl011_console_device_unlock) from [<802e6920>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1165)
[<802e6898>] (nbcon_emit_one) from [<802e6ba0>] (nbcon_kthread_func+0x208/0x2ec kernel/printk/nbcon.c:1271)
 r6:82ac410c r5:8295bb18 r4:84f155c0
[<802e6998>] (nbcon_kthread_func) from [<802814a4>] (kthread+0x11c/0x154 kernel/kthread.c:436)
 r10:00000000 r9:df8ddb48 r8:84cfb800 r7:8295bb18 r6:802e6998 r5:84f155c0
 r4:84d20f80
[<80281388>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137)
Exception stack(0xeb501fb0 to 0xeb501ff8)
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 r5:80281388 r4:84d20f80