INFO: task kworker/1:4:2956 blocked for more than 430 seconds.
      Not tainted 6.9.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:4     state:D stack:0     pid:2956  tgid:2956  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline])
[<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838)
 r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:ec891d94 r5:83786000
 r4:83786000
[<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895)
 r5:83786000 r4:82714be4
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:ec891e20 r8:00000000 r7:ffffffff r6:00000000 r5:84d52e80
 r4:00000000
[<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804)
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline])
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d52e80
 r4:00000000
[<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:83786000 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f003000
[<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058)
 r5:00001000 r4:dfc11000
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline])
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228)
[<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783)
 r5:8449e754 r4:8449e400
[<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254)
 r7:ddde40c0 r6:82c16200 r5:8449e754 r4:842cf880
[<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline])
[<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416)
 r10:83786000 r9:842cf8ac r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0
 r4:842cf880
[<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df919e90 r8:84419fc0 r7:842cf880 r6:80267144 r5:83786000
 r4:84627a80
[<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xec891fb0 to 0xec891ff8)
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 r5:8026ff40 r4:84627a80
INFO: task kworker/0:4:3351 blocked for more than 430 seconds.
      Not tainted 6.9.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:4     state:D stack:0     pid:3351  tgid:3351  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline])
[<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838)
 r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:dfcd1d94 r5:841a1800
 r4:841a1800
[<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895)
 r5:841a1800 r4:82714be4
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16005 r9:dfcd1e20 r8:00000000 r7:ffffffff r6:00000000 r5:84d4b4c0
 r4:00000000
[<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804)
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline])
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330)
 r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d4b4c0
 r4:00000000
[<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:841a1800 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f029000
[<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058)
 r5:00001000 r4:df98f000
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline])
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228)
[<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783)
 r5:8458c354 r4:8458c000
[<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254)
 r7:dddd00c0 r6:82c16000 r5:8458c354 r4:84d0a580
[<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline])
[<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416)
 r10:841a1800 r9:84d0a5ac r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0
 r4:84d0a580
[<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:dfccde90 r8:84d0dbc0 r7:84d0a580 r6:80267144 r5:841a1800
 r4:84d0d8c0
[<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdfcd1fb0 to 0xdfcd1ff8)
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 r5:8026ff40 r4:84d0d8c0
INFO: task kworker/0:49:4268 blocked for more than 430 seconds.
      Not tainted 6.9.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:49    state:D stack:0     pid:4268  tgid:4268  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline])
[<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838)
 r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:dfebdd94 r5:84c7a400
 r4:84c7a400
[<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895)
 r5:84c7a400 r4:82714be4
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16005 r9:dfebde20 r8:00000000 r7:ffffffff r6:00000000 r5:84d4b8c0
 r4:00000000
[<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804)
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline])
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330)
 r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d4b8c0
 r4:00000000
[<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:84c7a400 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f02d000
[<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058)
 r5:00001000 r4:dfa05000
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline])
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228)
[<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783)
 r5:8458cf54 r4:8458cc00
[<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254)
 r7:dddd00c0 r6:82c16000 r5:8458cf54 r4:84daa380
[<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline])
[<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416)
 r10:84c7a400 r9:84daa3ac r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0
 r4:84daa380
[<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:dfd35e90 r8:844afdc0 r7:84daa380 r6:80267144 r5:84c7a400
 r4:844af100
[<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdfebdfb0 to 0xdfebdff8)
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 r5:8026ff40 r4:844af100
INFO: task kworker/0:50:4282 blocked for more than 430 seconds.
      Not tainted 6.9.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:50    state:D stack:0     pid:4282  tgid:4282  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline])
[<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838)
 r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:dfbcdd94 r5:8471a400
 r4:8471a400
[<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895)
 r5:8471a400 r4:82714be4
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16005 r9:dfbcde20 r8:00000000 r7:ffffffff r6:00000000 r5:84d3b500
 r4:00000000
[<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804)
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline])
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330)
 r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d3b500
 r4:00000000
[<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:8471a400 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f045000
[<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058)
 r5:00001000 r4:dfb2b000
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline])
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228)
[<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783)
 r5:8458cb54 r4:8458c800
[<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254)
 r7:dddd00c0 r6:82c16000 r5:8458cb54 r4:84c3ab80
[<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline])
[<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416)
 r10:8471a400 r9:84c3abac r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0
 r4:84c3ab80
[<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:dfebde90 r8:844a6640 r7:84c3ab80 r6:80267144 r5:8471a400
 r4:84dbc200
[<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdfbcdfb0 to 0xdfbcdff8)
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 r5:8026ff40 r4:84dbc200
INFO: task kworker/1:65:4285 blocked for more than 430 seconds.
      Not tainted 6.9.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:65    state:D stack:0     pid:4285  tgid:4285  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline])
[<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838)
 r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:dfd29d94 r5:8471bc00
 r4:8471bc00
[<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895)
 r5:8471bc00 r4:82714be4
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:dfd29e20 r8:00000000 r7:ffffffff r6:00000000 r5:84d4bb40
 r4:00000000
[<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804)
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline])
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d4bb40
 r4:00000000
[<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:8471bc00 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f041000
[<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058)
 r5:00001000 r4:dfdf3000
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline])
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228)
[<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783)
 r5:8458eb54 r4:8458e800
[<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254)
 r7:ddde40c0 r6:82c16200 r5:8458eb54 r4:844a3d00
[<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline])
[<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416)
 r10:8471bc00 r9:844a3d2c r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0
 r4:844a3d00
[<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:dfe7de90 r8:84d49100 r7:844a3d00 r6:80267144 r5:8471bc00
 r4:84d49000
[<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdfd29fb0 to 0xdfd29ff8)
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 r5:8026ff40 r4:84d49000
INFO: task kworker/1:66:4286 blocked for more than 430 seconds.
      Not tainted 6.9.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:66    state:D stack:0     pid:4286  tgid:4286  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline])
[<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838)
 r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:dfd75d94 r5:84718000
 r4:84718000
[<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895)
 r5:84718000 r4:82714be4
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:dfd75e20 r8:00000000 r7:ffffffff r6:00000000 r5:84d49780
 r4:00000000
[<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804)
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline])
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d49780
 r4:00000000
[<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:84718000 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f03f000
[<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058)
 r5:00001000 r4:dfdcf000
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline])
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228)
[<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783)
 r5:84495354 r4:84495000
[<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254)
 r7:ddde40c0 r6:82c16200 r5:84495354 r4:844a3c80
[<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline])
[<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416)
 r10:84718000 r9:844a3cac r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0
 r4:844a3c80
[<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:dfe7de90 r8:84d49240 r7:844a3c80 r6:80267144 r5:84718000
 r4:84d49180
[<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdfd75fb0 to 0xdfd75ff8)
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 r5:8026ff40 r4:84d49180
INFO: task kworker/1:67:4291 blocked for more than 430 seconds.
      Not tainted 6.9.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:67    state:D stack:0     pid:4291  tgid:4291  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline])
[<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838)
 r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:dfd39d94 r5:8471c800
 r4:8471c800
[<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895)
 r5:8471c800 r4:82714be4
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:dfd39e20 r8:00000000 r7:ffffffff r6:00000000 r5:84d49700
 r4:00000000
[<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804)
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline])
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d49700
 r4:00000000
[<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:8471c800 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f043000
[<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058)
 r5:00001000 r4:dfae1000
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline])
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228)
[<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783)
 r5:84d66f54 r4:84d66c00
[<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254)
 r7:ddde40c0 r6:82c16200 r5:84d66f54 r4:844a3d80
[<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline])
[<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416)
 r10:8471c800 r9:844a3dac r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0
 r4:844a3d80
[<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:dfd29e90 r8:84d49900 r7:844a3d80 r6:80267144 r5:8471c800
 r4:84d49480
[<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdfd39fb0 to 0xdfd39ff8)
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 r5:8026ff40 r4:84d49480
INFO: task kworker/1:68:4296 blocked for more than 430 seconds.
      Not tainted 6.9.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:68    state:D stack:0     pid:4296  tgid:4296  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline])
[<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838)
 r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:dfe2dd94 r5:8471ec00
 r4:8471ec00
[<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895)
 r5:8471ec00 r4:82714be4
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:dfe2de20 r8:00000000 r7:ffffffff r6:00000000 r5:84d49b80
 r4:00000000
[<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804)
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline])
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d49b80
 r4:00000000
[<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:8471ec00 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f053000
[<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058)
 r5:00001000 r4:dfe25000
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline])
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228)
[<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783)
 r5:84497f54 r4:84497c00
[<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254)
 r7:ddde40c0 r6:82c16200 r5:84497f54 r4:844a3f80
[<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline])
[<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416)
 r10:8471ec00 r9:844a3fac r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0
 r4:844a3f80
[<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:dfd39e90 r8:84d49b00 r7:844a3f80 r6:80267144 r5:8471ec00
 r4:84d49a80
[<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdfe2dfb0 to 0xdfe2dff8)
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 r5:8026ff40 r4:84d49a80
INFO: task kworker/1:69:4297 blocked for more than 430 seconds.
      Not tainted 6.9.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:69    state:D stack:0     pid:4297  tgid:4297  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline])
[<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838)
 r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:dfd99d94 r5:8471d400
 r4:8471d400
[<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895)
 r5:8471d400 r4:82714be4
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16205 r9:dfd99e20 r8:00000000 r7:ffffffff r6:00000000 r5:84d49e00
 r4:00000000
[<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804)
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline])
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330)
 r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d49e00
 r4:00000000
[<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:8471d400 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f055000
[<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058)
 r5:00001000 r4:dfe5f000
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline])
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228)
[<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783)
 r5:84497754 r4:84497400
[<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254)
 r7:ddde40c0 r6:82c16200 r5:84497754 r4:844a3f00
[<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline])
[<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416)
 r10:8471d400 r9:844a3f2c r8:61c88647 r7:ddde40e0 r6:82604d40 r5:ddde40c0
 r4:844a3f00
[<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:dfd39e90 r8:84d49c40 r7:844a3f00 r6:80267144 r5:8471d400
 r4:84d49a80
[<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdfd99fb0 to 0xdfd99ff8)
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 r5:8026ff40 r4:84d49a80
INFO: task kworker/0:51:4300 blocked for more than 430 seconds.
      Not tainted 6.9.0-rc4-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:51    state:D stack:0     pid:4300  tgid:4300  ppid:2      flags:0x00000000
Workqueue: events bpf_prog_free_deferred
Call trace: 
[<818c2fc8>] (__schedule) from [<818c3c04>] (__schedule_loop kernel/sched/core.c:6823 [inline])
[<818c2fc8>] (__schedule) from [<818c3c04>] (schedule+0x2c/0xfc kernel/sched/core.c:6838)
 r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:dfe65d94 r5:8471e000
 r4:8471e000
[<818c3bd8>] (schedule) from [<818c4214>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895)
 r5:8471e000 r4:82714be4
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline])
[<818c41fc>] (schedule_preempt_disabled) from [<818c6af4>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752)
[<818c680c>] (__mutex_lock.constprop.0) from [<818c73c0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040)
 r10:82c16005 r9:dfe65e20 r8:00000000 r7:ffffffff r6:00000000 r5:84d4bf80
 r4:00000000
[<818c73ac>] (__mutex_lock_slowpath) from [<818c7400>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286)
[<818c73c4>] (mutex_lock) from [<8049c618>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2804)
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vm_reset_perms mm/vmalloc.c:3251 [inline])
[<8049c5b8>] (_vm_unmap_aliases) from [<804a04a8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3330)
 r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84d4bf80
 r4:00000000
[<804a0338>] (vfree) from [<802ed950>] (module_memfree+0x30/0x50 kernel/module/main.c:1189)
 r9:8471e000 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f02b000
[<802ed920>] (module_memfree) from [<80391538>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058)
 r5:00001000 r4:df9db000
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline])
[<80391528>] (bpf_jit_free_exec) from [<803916f8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228)
[<80391690>] (bpf_jit_free) from [<803927e0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783)
 r5:8458f754 r4:8458f400
[<80392694>] (bpf_prog_free_deferred) from [<8026660c>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254)
 r7:dddd00c0 r6:82c16000 r5:8458f754 r4:84c3a300
[<80266454>] (process_one_work) from [<80267330>] (process_scheduled_works kernel/workqueue.c:3335 [inline])
[<80266454>] (process_one_work) from [<80267330>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416)
 r10:8471e000 r9:84c3a32c r8:61c88647 r7:dddd00e0 r6:82604d40 r5:dddd00c0
 r4:84c3a300
[<80267144>] (worker_thread) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:dfebde90 r8:84d49e80 r7:84c3a300 r6:80267144 r5:8471e000
 r4:84d4bc00
[<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdfe65fb0 to 0xdfe65ff8)
5fa0:                                     00000000 00000000 00000000 00000000
5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026ff40 r4:84d4bc00
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
NMI backtrace for cpu 0
CPU: 0 PID: 31 Comm: khungtaskd Not tainted 6.9.0-rc4-syzkaller #0
Hardware name: ARM-Versatile Express
Call trace: 
[<818a18bc>] (dump_backtrace) from [<818a19b8>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256)
 r7:00000000 r6:00000113 r5:60000193 r4:81fcea10
[<818a19a0>] (show_stack) from [<818bf0fc>] (__dump_stack lib/dump_stack.c:88 [inline])
[<818a19a0>] (show_stack) from [<818bf0fc>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:114)
[<818bf08c>] (dump_stack_lvl) from [<818bf120>] (dump_stack+0x18/0x1c lib/dump_stack.c:123)
 r5:00000000 r4:00000001
[<818bf108>] (dump_stack) from [<8188ec94>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113)
[<8188eb34>] (nmi_cpu_backtrace) from [<8188ede0>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62)
 r7:00000000 r6:8260c590 r5:8261a88c r4:ffffffff
[<8188ecb0>] (nmi_trigger_cpumask_backtrace) from [<802105b4>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851)
 r9:8260c6f4 r8:000079e6 r7:8289ffe0 r6:00007d5a r5:85163204 r4:8509f524
[<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034eac8>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline])
[<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034eac8>] (check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline])
[<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034eac8>] (watchdog+0x480/0x594 kernel/hung_task.c:380)
[<8034e648>] (watchdog) from [<80270044>] (kthread+0x104/0x134 kernel/kthread.c:388)
 r10:00000000 r9:df819e58 r8:82f18c80 r7:00000000 r6:8034e648 r5:82e50c00
 r4:82ebeac0
[<8026ff40>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134)
Exception stack(0xdf8ddfb0 to 0xdf8ddff8)
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 r5:8026ff40 r4:82ebeac0
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2814 Comm: syslogd Not tainted 6.9.0-rc4-syzkaller #0
Hardware name: ARM-Versatile Express
PC is at scm_stat_del net/unix/af_unix.c:1946 [inline]
PC is at __unix_dgram_recvmsg+0x44c/0x504 net/unix/af_unix.c:2433
LR is at 0x0
pc : [<81655034>]    lr : [<00000000>]    psr: 60000013
sp : ec751da0  ip : ec751d40  fp : ec751e24
r10: 00000000  r9 : 8356e488  r8 : ec751dd0
r7 : 00000000  r6 : 8356e634  r5 : 8356e400  r4 : 84244540
r3 : 8418ec00  r2 : 00000000  r1 : 00000000  r0 : 84244540
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
Control: 30c5387d  Table: 843dd500  DAC: 00000000
Call trace: 
[<81654be8>] (__unix_dgram_recvmsg) from [<81655130>] (unix_dgram_recvmsg+0x44/0x4c net/unix/af_unix.c:2531)
 r10:00000001 r9:00000000 r8:00d6d1d0 r7:00000000 r6:83055b80 r5:ec751e68
 r4:816550ec
[<816550ec>] (unix_dgram_recvmsg) from [<813a29d4>] (sock_recvmsg_nosec net/socket.c:1046 [inline])
[<816550ec>] (unix_dgram_recvmsg) from [<813a29d4>] (sock_recvmsg+0x50/0x78 net/socket.c:1068)
 r4:816550ec
[<813a2984>] (sock_recvmsg) from [<813a2a9c>] (sock_read_iter+0xa0/0xf8 net/socket.c:1138)
 r7:82f20900 r6:83055b80 r5:ec751f08 r4:ec751ef0
[<813a29fc>] (sock_read_iter) from [<804f6be0>] (call_read_iter include/linux/fs.h:2104 [inline])
[<813a29fc>] (sock_read_iter) from [<804f6be0>] (new_sync_read fs/read_write.c:395 [inline])
[<813a29fc>] (sock_read_iter) from [<804f6be0>] (vfs_read+0x2e4/0x314 fs/read_write.c:476)
 r7:00000000 r6:8418ec00 r5:000000ff r4:82f20900
[<804f68fc>] (vfs_read) from [<804f7660>] (ksys_read+0xc4/0xf8 fs/read_write.c:619)
 r10:00000003 r9:8418ec00 r8:80200288 r7:000000ff r6:00d6d1d0 r5:82f20900
 r4:82f20900
[<804f759c>] (ksys_read) from [<804f76a4>] (__do_sys_read fs/read_write.c:629 [inline])
[<804f759c>] (ksys_read) from [<804f76a4>] (sys_read+0x10/0x14 fs/read_write.c:627)
 r7:00000003 r6:00d6d2d0 r5:76f395a0 r4:fffffc00
[<804f7694>] (sys_read) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66)
Exception stack(0xec751fa8 to 0xec751ff0)
1fa0:                   fffffc00 76f395a0 00000000 00d6d1d0 000000ff 00000000
1fc0: fffffc00 76f395a0 00d6d2d0 00000003 00000000 00d6d1c8 76f0854c 76f08548
1fe0: 76f079f8 7eb9fc70 76e7d2ec 76d8b2fc