INFO: task kworker/1:0:23 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:0 pid:23 tgid:23 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81894ef0>] (__schedule) from [<81895b2c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<81894ef0>] (__schedule) from [<81895b2c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16205 r9:00000000 r8:82714c68 r7:00000002 r6:df879d94 r5:82e3a400 r4:82e3a400 [<81895b00>] (schedule) from [<8189613c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:82e3a400 r4:82714c64 [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<81898734>] (__mutex_lock.constprop.0) from [<818992e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df879e20 r8:00000001 r7:8d403000 r6:8d404000 r5:86226ec0 r4:00000000 [<818992d4>] (__mutex_lock_slowpath) from [<81899328>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818992ec>] (mutex_lock) from [<8049c10c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000001 r7:8d403000 r6:8d404000 r5:86226ec0 r4:00000000 [<8049fe20>] (vfree) from [<802ed8a4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82e3a400 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f256000 [<802ed874>] (module_memfree) from [<803912a8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:df83f000 [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391400>] (bpf_jit_free) from [<80392550>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:852e9354 r4:852e9000 [<80392404>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:852e9354 r4:82cae100 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:82e3a400 r9:82cae12c r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:82cae100 [<802670f4>] (worker_thread) from [<8026fff0>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819d60 r8:82cbfc40 r7:82cae100 r6:802670f4 r5:82e3a400 r4:82cbfa00 [<8026feec>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf879fb0 to 0xdf879ff8) 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 r5:8026feec r4:82cbfa00 INFO: task kworker/0:29:15208 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:29 state:D stack:0 pid:15208 tgid:15208 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81894ef0>] (__schedule) from [<81895b2c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<81894ef0>] (__schedule) from [<81895b2c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16005 r9:00000000 r8:82714c68 r7:00000002 r6:dfe7dd94 r5:8370bc00 r4:8370bc00 [<81895b00>] (schedule) from [<8189613c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:8370bc00 r4:82714c64 [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<81898734>] (__mutex_lock.constprop.0) from [<818992e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfe7de20 r8:00000001 r7:8d552000 r6:8d553000 r5:84fafb00 r4:00000000 [<818992d4>] (__mutex_lock_slowpath) from [<81899328>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818992ec>] (mutex_lock) from [<8049c10c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000001 r7:8d552000 r6:8d553000 r5:84fafb00 r4:00000000 [<8049fe20>] (vfree) from [<802ed8a4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8370bc00 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f23a000 [<802ed874>] (module_memfree) from [<803912a8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e8b51000 [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391400>] (bpf_jit_free) from [<80392550>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:86013f54 r4:86013c00 [<80392404>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:86013f54 r4:85345a00 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:8370bc00 r9:85345a2c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:85345a00 [<802670f4>] (worker_thread) from [<8026fff0>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfe71e90 r8:85056580 r7:85345a00 r6:802670f4 r5:8370bc00 r4:85056e00 [<8026feec>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfe7dfb0 to 0xdfe7dff8) 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 r5:8026feec r4:85056e00 INFO: task kworker/1:23:15220 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:23 state:D stack:0 pid:15220 tgid:15220 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81894ef0>] (__schedule) from [<81895b2c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<81894ef0>] (__schedule) from [<81895b2c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16205 r9:00000000 r8:82714c68 r7:00000002 r6:dff0dd94 r5:83751800 r4:83751800 [<81895b00>] (schedule) from [<8189613c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:83751800 r4:82714c64 [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<81898734>] (__mutex_lock.constprop.0) from [<818992e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dff0de20 r8:00000001 r7:8c7f1000 r6:8c7f2000 r5:84f2fdc0 r4:00000000 [<818992d4>] (__mutex_lock_slowpath) from [<81899328>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818992ec>] (mutex_lock) from [<8049c10c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000001 r7:8c7f1000 r6:8c7f2000 r5:84f2fdc0 r4:00000000 [<8049fe20>] (vfree) from [<802ed8a4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83751800 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f252000 [<802ed874>] (module_memfree) from [<803912a8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eb359000 [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391400>] (bpf_jit_free) from [<80392550>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:847d2b54 r4:847d2800 [<80392404>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:847d2b54 r4:84f53f00 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:83751800 r9:84f53f2c r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:84f53f00 [<802670f4>] (worker_thread) from [<8026fff0>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfbf5e90 r8:84fa4a40 r7:84f53f00 r6:802670f4 r5:83751800 r4:84faf900 [<8026feec>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdff0dfb0 to 0xdff0dff8) 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 r5:8026feec r4:84faf900 INFO: task kworker/1:26:15279 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:26 state:D stack:0 pid:15279 tgid:15279 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81894ef0>] (__schedule) from [<81895b2c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<81894ef0>] (__schedule) from [<81895b2c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16205 r9:00000000 r8:82714c68 r7:00000002 r6:dfe75d94 r5:83ede000 r4:83ede000 [<81895b00>] (schedule) from [<8189613c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:83ede000 r4:82714c64 [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<81898734>] (__mutex_lock.constprop.0) from [<818992e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfe75e20 r8:00000001 r7:8d54f000 r6:8d550000 r5:844515c0 r4:00000000 [<818992d4>] (__mutex_lock_slowpath) from [<81899328>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818992ec>] (mutex_lock) from [<8049c10c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000001 r7:8d54f000 r6:8d550000 r5:844515c0 r4:00000000 [<8049fe20>] (vfree) from [<802ed8a4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83ede000 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f236000 [<802ed874>] (module_memfree) from [<803912a8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e0a75000 [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391400>] (bpf_jit_free) from [<80392550>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:852e9b54 r4:852e9800 [<80392404>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:852e9b54 r4:8c55f080 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:83ede000 r9:8c55f0ac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:8c55f080 [<802670f4>] (worker_thread) from [<8026fff0>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dff0de90 r8:84697c80 r7:8c55f080 r6:802670f4 r5:83ede000 r4:84fd8600 [<8026feec>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfe75fb0 to 0xdfe75ff8) 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 r5:8026feec r4:84fd8600 INFO: task kworker/0:34:15330 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:34 state:D stack:0 pid:15330 tgid:15330 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81894ef0>] (__schedule) from [<81895b2c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<81894ef0>] (__schedule) from [<81895b2c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16005 r9:00000000 r8:82714c68 r7:00000002 r6:e0a05d94 r5:83750c00 r4:83750c00 [<81895b00>] (schedule) from [<8189613c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:83750c00 r4:82714c64 [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<81898734>] (__mutex_lock.constprop.0) from [<818992e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0a05e20 r8:00000001 r7:8d4aa000 r6:8d4ab000 r5:84dec880 r4:00000000 [<818992d4>] (__mutex_lock_slowpath) from [<81899328>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818992ec>] (mutex_lock) from [<8049c10c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000001 r7:8d4aa000 r6:8d4ab000 r5:84dec880 r4:00000000 [<8049fe20>] (vfree) from [<802ed8a4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83750c00 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f242000 [<802ed874>] (module_memfree) from [<803912a8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eace1000 [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391400>] (bpf_jit_free) from [<80392550>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:852e9f54 r4:852e9c00 [<80392404>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:852e9f54 r4:8427c600 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:83750c00 r9:8427c62c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8427c600 [<802670f4>] (worker_thread) from [<8026fff0>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfe7de90 r8:86226680 r7:8427c600 r6:802670f4 r5:83750c00 r4:86226040 [<8026feec>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0a05fb0 to 0xe0a05ff8) 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 r5:8026feec r4:86226040 INFO: task kworker/1:27:15339 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:27 state:D stack:0 pid:15339 tgid:15339 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81894ef0>] (__schedule) from [<81895b2c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<81894ef0>] (__schedule) from [<81895b2c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16205 r9:00000000 r8:82714c68 r7:00000002 r6:e0a59d94 r5:83756000 r4:83756000 [<81895b00>] (schedule) from [<8189613c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:83756000 r4:82714c64 [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<81898734>] (__mutex_lock.constprop.0) from [<818992e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:e0a59e20 r8:00000001 r7:86216000 r6:86217000 r5:84451800 r4:00000000 [<818992d4>] (__mutex_lock_slowpath) from [<81899328>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818992ec>] (mutex_lock) from [<8049c10c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000001 r7:86216000 r6:86217000 r5:84451800 r4:00000000 [<8049fe20>] (vfree) from [<802ed8a4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83756000 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f238000 [<802ed874>] (module_memfree) from [<803912a8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e4adf000 [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391400>] (bpf_jit_free) from [<80392550>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:852ea354 r4:852ea000 [<80392404>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:852ea354 r4:8c55f380 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:83756000 r9:8c55f3ac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:8c55f380 [<802670f4>] (worker_thread) from [<8026fff0>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dff0de90 r8:86226440 r7:8c55f380 r6:802670f4 r5:83756000 r4:84451680 [<8026feec>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0a59fb0 to 0xe0a59ff8) 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 r5:8026feec r4:84451680 INFO: task kworker/1:28:15342 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:28 state:D stack:0 pid:15342 tgid:15342 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81894ef0>] (__schedule) from [<81895b2c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<81894ef0>] (__schedule) from [<81895b2c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16205 r9:00000000 r8:82714c68 r7:00000002 r6:e4ae9d94 r5:84143c00 r4:84143c00 [<81895b00>] (schedule) from [<8189613c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:84143c00 r4:82714c64 [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<81898734>] (__mutex_lock.constprop.0) from [<818992e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:e4ae9e20 r8:00000001 r7:8d4dd000 r6:8d4de000 r5:84451a80 r4:00000000 [<818992d4>] (__mutex_lock_slowpath) from [<81899328>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818992ec>] (mutex_lock) from [<8049c10c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000001 r7:8d4dd000 r6:8d4de000 r5:84451a80 r4:00000000 [<8049fe20>] (vfree) from [<802ed8a4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84143c00 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f240000 [<802ed874>] (module_memfree) from [<803912a8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eac93000 [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391400>] (bpf_jit_free) from [<80392550>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:847d8f54 r4:847d8c00 [<80392404>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:847d8f54 r4:8c55f300 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:84143c00 r9:8c55f32c r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:8c55f300 [<802670f4>] (worker_thread) from [<8026fff0>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dff0de90 r8:84f32180 r7:8c55f300 r6:802670f4 r5:84143c00 r4:84451680 [<8026feec>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe4ae9fb0 to 0xe4ae9ff8) 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 r5:8026feec r4:84451680 INFO: task kworker/0:35:15349 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:35 state:D stack:0 pid:15349 tgid:15349 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81894ef0>] (__schedule) from [<81895b2c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<81894ef0>] (__schedule) from [<81895b2c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16005 r9:00000000 r8:82714c68 r7:00000002 r6:e0a5dd94 r5:8375a400 r4:8375a400 [<81895b00>] (schedule) from [<8189613c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:8375a400 r4:82714c64 [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<81898734>] (__mutex_lock.constprop.0) from [<818992e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0a5de20 r8:00000001 r7:8d582000 r6:8d583000 r5:84ee2ec0 r4:00000000 [<818992d4>] (__mutex_lock_slowpath) from [<81899328>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818992ec>] (mutex_lock) from [<8049c10c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000001 r7:8d582000 r6:8d583000 r5:84ee2ec0 r4:00000000 [<8049fe20>] (vfree) from [<802ed8a4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8375a400 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f23c000 [<802ed874>] (module_memfree) from [<803912a8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eabcb000 [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391400>] (bpf_jit_free) from [<80392550>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:86012b54 r4:86012800 [<80392404>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:86012b54 r4:8427cf80 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:8375a400 r9:8427cfac r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8427cf80 [<802670f4>] (worker_thread) from [<8026fff0>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0a05e90 r8:84fafa40 r7:8427cf80 r6:802670f4 r5:8375a400 r4:84fafec0 [<8026feec>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0a5dfb0 to 0xe0a5dff8) 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 r5:8026feec r4:84fafec0 INFO: task kworker/0:36:15356 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:36 state:D stack:0 pid:15356 tgid:15356 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81894ef0>] (__schedule) from [<81895b2c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<81894ef0>] (__schedule) from [<81895b2c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16005 r9:00000000 r8:82714c68 r7:00000002 r6:eab95d94 r5:84460000 r4:84460000 [<81895b00>] (schedule) from [<8189613c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:84460000 r4:82714c64 [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<81898734>] (__mutex_lock.constprop.0) from [<818992e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:eab95e20 r8:00000001 r7:8d518000 r6:8d519000 r5:84451e40 r4:00000000 [<818992d4>] (__mutex_lock_slowpath) from [<81899328>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818992ec>] (mutex_lock) from [<8049c10c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000001 r7:8d518000 r6:8d519000 r5:84451e40 r4:00000000 [<8049fe20>] (vfree) from [<802ed8a4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84460000 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f23e000 [<802ed874>] (module_memfree) from [<803912a8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eac15000 [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391400>] (bpf_jit_free) from [<80392550>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:86011754 r4:86011400 [<80392404>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:86011754 r4:8427c780 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:84460000 r9:8427c7ac r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8427c780 [<802670f4>] (worker_thread) from [<8026fff0>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0a05e90 r8:8476d8c0 r7:8427c780 r6:802670f4 r5:84460000 r4:84ee28c0 [<8026feec>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeab95fb0 to 0xeab95ff8) 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 r5:8026feec r4:84ee28c0 INFO: task kworker/0:37:15362 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:37 state:D stack:0 pid:15362 tgid:15362 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81894ef0>] (__schedule) from [<81895b2c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<81894ef0>] (__schedule) from [<81895b2c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16005 r9:00000000 r8:82714c68 r7:00000002 r6:eabfdd94 r5:84462400 r4:84462400 [<81895b00>] (schedule) from [<8189613c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:84462400 r4:82714c64 [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81896124>] (schedule_preempt_disabled) from [<81898a1c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<81898734>] (__mutex_lock.constprop.0) from [<818992e8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:eabfde20 r8:00000001 r7:862c0000 r6:862c1000 r5:84451f40 r4:00000000 [<818992d4>] (__mutex_lock_slowpath) from [<81899328>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<818992ec>] (mutex_lock) from [<8049c10c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c0ac>] (_vm_unmap_aliases) from [<8049ff90>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000001 r7:862c0000 r6:862c1000 r5:84451f40 r4:00000000 [<8049fe20>] (vfree) from [<802ed8a4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84462400 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f24e000 [<802ed874>] (module_memfree) from [<803912a8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eb033000 [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391298>] (bpf_jit_free_exec) from [<80391468>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391400>] (bpf_jit_free) from [<80392550>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:847d8354 r4:847d8000 [<80392404>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:847d8354 r4:8427c700 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:84462400 r9:8427c72c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8427c700 [<802670f4>] (worker_thread) from [<8026fff0>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0a05e90 r8:84f5c240 r7:8427c700 r6:802670f4 r5:84462400 r4:84f5c900 [<8026feec>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeabfdfb0 to 0xeabfdff8) 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 r5:8026feec r4:84f5c900 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 1 CPU: 1 PID: 31 Comm: khungtaskd Not tainted 6.8.0-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<81873764>] (dump_backtrace) from [<81873860>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000013 r5:60000093 r4:81fc2e3c [<81873848>] (show_stack) from [<81891020>] (__dump_stack lib/dump_stack.c:88 [inline]) [<81873848>] (show_stack) from [<81891020>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:114) [<81890fb0>] (dump_stack_lvl) from [<81891044>] (dump_stack+0x18/0x1c lib/dump_stack.c:123) r5:00000001 r4:00000001 [<8189102c>] (dump_stack) from [<81860b3c>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<818609dc>] (nmi_cpu_backtrace) from [<81860c88>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8260c590 r5:8261a88c r4:ffffffff [<81860b58>] (nmi_trigger_cpumask_backtrace) from [<802105b4>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:8260c6f4 r8:0001a79a r7:8289cfe0 r6:00007ea9 r5:851ee204 r4:8c664e24 [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034e840>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034e840>] (check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]) [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034e840>] (watchdog+0x480/0x594 kernel/hung_task.c:380) [<8034e3c0>] (watchdog) from [<8026fff0>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819e58 r8:82e98440 r7:00000000 r6:8034e3c0 r5:82ee1800 r4:82f42100 [<8026feec>] (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 r5:8026feec r4:82f42100 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 17380 Comm: syz-executor.1 Not tainted 6.8.0-syzkaller #0 Hardware name: ARM-Versatile Express PC is at 0x16910 LR is at 0x16910 pc : [<00016910>] lr : [<00016910>] psr: 20000010 sp : 20000110 ip : 20000110 fp : 76bae0fc r10: 003d0f00 r9 : 7e98732f r8 : 7e98732e r7 : 00000000 r6 : 00000000 r5 : 00000000 r4 : 00000000 r3 : 00000000 r2 : 000001b0 r1 : 00000004 r0 : ffffffff Flags: nzCv IRQs on FIQs on Mode USER_32 ISA ARM Segment user Control: 30c5387d Table: 84fe6780 DAC: fffffffd Backtrace: invalid frame pointer 0x76bae0fc