INFO: task kworker/1:17:5745 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:17 state:D stack:0 pid:5745 tgid:5745 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857424>] (__schedule) from [<8185805c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857424>] (__schedule) from [<8185805c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:e00b9dac r5:83653000 r4:83653000 [<81858030>] (schedule) from [<81858628>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:83653000 r4:8270dd74 [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185ac28>] (__mutex_lock.constprop.0) from [<8185b7dc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:e00b9e38 r8:00000000 r7:ffffffff r6:00000000 r5:85038980 r4:00000000 [<8185b7c8>] (__mutex_lock_slowpath) from [<8185b81c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b7e0>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85038980 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83653000 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f045000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfba7000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85103f50 r4:85103c00 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:85103f50 r4:84776580 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:83653000 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:847765ac r4:84776580 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb911e90 r8:85004ec0 r7:84776580 r6:8026736c r5:83653000 r4:84fbe080 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe00b9fb0 to 0xe00b9ff8) 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 r5:8026e784 r4:84fbe080 INFO: task kworker/0:37:5775 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:37 state:D stack:0 pid:5775 tgid:5775 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857424>] (__schedule) from [<8185805c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857424>] (__schedule) from [<8185805c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:dfb35dac r5:84174800 r4:84174800 [<81858030>] (schedule) from [<81858628>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84174800 r4:8270dd74 [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185ac28>] (__mutex_lock.constprop.0) from [<8185b7dc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfb35e38 r8:00000000 r7:ffffffff r6:00000000 r5:850ca100 r4:00000000 [<8185b7c8>] (__mutex_lock_slowpath) from [<8185b81c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b7e0>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:850ca100 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84174800 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f049000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfca7000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8512d750 r4:8512d400 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:8512d750 r4:84d5ae00 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:84174800 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:84d5ae2c r4:84d5ae00 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb909e90 r8:850546c0 r7:84d5ae00 r6:8026736c r5:84174800 r4:85054200 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfb35fb0 to 0xdfb35ff8) 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 r5:8026e784 r4:85054200 INFO: task kworker/1:19:5783 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:19 state:D stack:0 pid:5783 tgid:5783 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857424>] (__schedule) from [<8185805c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857424>] (__schedule) from [<8185805c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:dfab9dac r5:84591800 r4:84591800 [<81858030>] (schedule) from [<81858628>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84591800 r4:8270dd74 [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185ac28>] (__mutex_lock.constprop.0) from [<8185b7dc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfab9e38 r8:00000000 r7:ffffffff r6:00000000 r5:84ff4680 r4:00000000 [<8185b7c8>] (__mutex_lock_slowpath) from [<8185b81c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b7e0>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ff4680 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84591800 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f047000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfbff000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8512ff50 r4:8512fc00 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:8512ff50 r4:84776380 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:84591800 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:847763ac r4:84776380 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfa15e90 r8:84777480 r7:84776380 r6:8026736c r5:84591800 r4:85010dc0 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfab9fb0 to 0xdfab9ff8) 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 r5:8026e784 r4:85010dc0 INFO: task kworker/1:20:5794 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:20 state:D stack:0 pid:5794 tgid:5794 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857424>] (__schedule) from [<8185805c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857424>] (__schedule) from [<8185805c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:dfb81dac r5:84593000 r4:84593000 [<81858030>] (schedule) from [<81858628>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:84593000 r4:8270dd74 [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185ac28>] (__mutex_lock.constprop.0) from [<8185b7dc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfb81e38 r8:00000000 r7:ffffffff r6:00000000 r5:8501ca80 r4:00000000 [<8185b7c8>] (__mutex_lock_slowpath) from [<8185b81c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b7e0>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8501ca80 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84593000 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f04b000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfcc3000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85101750 r4:85101400 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:85101750 r4:84776400 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:84593000 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:8477642c r4:84776400 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfa15e90 r8:850ca7c0 r7:84776400 r6:8026736c r5:84593000 r4:8504f9c0 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfb81fb0 to 0xdfb81ff8) 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 r5:8026e784 r4:8504f9c0 INFO: task kworker/0:38:5800 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:38 state:D stack:0 pid:5800 tgid:5800 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857424>] (__schedule) from [<8185805c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857424>] (__schedule) from [<8185805c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:dfca5dac r5:834fb000 r4:834fb000 [<81858030>] (schedule) from [<81858628>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:834fb000 r4:8270dd74 [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185ac28>] (__mutex_lock.constprop.0) from [<8185b7dc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfca5e38 r8:00000000 r7:ffffffff r6:00000000 r5:85043b40 r4:00000000 [<8185b7c8>] (__mutex_lock_slowpath) from [<8185b81c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b7e0>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85043b40 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:834fb000 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f04d000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfcf5000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8512e750 r4:8512e400 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:8512e750 r4:84f0c900 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:834fb000 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:84f0c92c r4:84f0c900 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb909e90 r8:85013e00 r7:84f0c900 r6:8026736c r5:834fb000 r4:85013b00 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfca5fb0 to 0xdfca5ff8) 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 r5:8026e784 r4:85013b00 INFO: task kworker/1:21:5803 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:21 state:D stack:0 pid:5803 tgid:5803 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857424>] (__schedule) from [<8185805c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857424>] (__schedule) from [<8185805c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16205 r9:00000000 r8:8270dd78 r7:00000002 r6:dfcd5dac r5:834f8c00 r4:834f8c00 [<81858030>] (schedule) from [<81858628>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:834f8c00 r4:8270dd74 [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185ac28>] (__mutex_lock.constprop.0) from [<8185b7dc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dfcd5e38 r8:00000000 r7:ffffffff r6:00000000 r5:852267c0 r4:00000000 [<8185b7c8>] (__mutex_lock_slowpath) from [<8185b81c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b7e0>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:852267c0 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:834f8c00 r8:00000080 r7:00000000 r6:82c16200 r5:00001000 r4:7f04f000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0111000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8512c350 r4:8512c000 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:ddde4280 r6:82c16200 r5:8512c350 r4:84d8b100 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:834f8c00 r8:ddde42a0 r7:82604d40 r6:ddde4280 r5:84d8b12c r4:84d8b100 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfa15e90 r8:84f44a40 r7:84d8b100 r6:8026736c r5:834f8c00 r4:84f38600 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfcd5fb0 to 0xdfcd5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:8026e784 r4:84f38600 INFO: task kworker/0:39:5808 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:39 state:D stack:0 pid:5808 tgid:5808 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857424>] (__schedule) from [<8185805c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857424>] (__schedule) from [<8185805c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:dfc31dac r5:834f9800 r4:834f9800 [<81858030>] (schedule) from [<81858628>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:834f9800 r4:8270dd74 [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185ac28>] (__mutex_lock.constprop.0) from [<8185b7dc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfc31e38 r8:00000000 r7:ffffffff r6:00000000 r5:84ff8780 r4:00000000 [<8185b7c8>] (__mutex_lock_slowpath) from [<8185b81c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b7e0>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ff8780 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:834f9800 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f011000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:e0131000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:8512c750 r4:8512c400 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:8512c750 r4:84f22a00 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:834f9800 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:84f22a2c r4:84f22a00 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb909e90 r8:84fe3f00 r7:84f22a00 r6:8026736c r5:834f9800 r4:85226280 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfc31fb0 to 0xdfc31ff8) 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 r5:8026e784 r4:85226280 INFO: task kworker/0:40:5814 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:40 state:D stack:0 pid:5814 tgid:5814 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857424>] (__schedule) from [<8185805c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857424>] (__schedule) from [<8185805c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:dfbd5dac r5:83ed1800 r4:83ed1800 [<81858030>] (schedule) from [<81858628>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:83ed1800 r4:8270dd74 [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185ac28>] (__mutex_lock.constprop.0) from [<8185b7dc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfbd5e38 r8:00000000 r7:ffffffff r6:00000000 r5:85226280 r4:00000000 [<8185b7c8>] (__mutex_lock_slowpath) from [<8185b81c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b7e0>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85226280 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83ed1800 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f029000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfd21000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84dd3f50 r4:84dd3c00 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:84dd3f50 r4:84f22680 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:83ed1800 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:84f226ac r4:84f22680 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb909e90 r8:84ef3cc0 r7:84f22680 r6:8026736c r5:83ed1800 r4:84ef3f40 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfbd5fb0 to 0xdfbd5ff8) 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 r5:8026e784 r4:84ef3f40 INFO: task kworker/0:41:5819 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:41 state:D stack:0 pid:5819 tgid:5819 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857424>] (__schedule) from [<8185805c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857424>] (__schedule) from [<8185805c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:dfd31dac r5:85298c00 r4:85298c00 [<81858030>] (schedule) from [<81858628>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:85298c00 r4:8270dd74 [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185ac28>] (__mutex_lock.constprop.0) from [<8185b7dc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfd31e38 r8:00000000 r7:ffffffff r6:00000000 r5:84f3b600 r4:00000000 [<8185b7c8>] (__mutex_lock_slowpath) from [<8185b81c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b7e0>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84f3b600 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:85298c00 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f02b000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfd4d000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:84ea4750 r4:84ea4400 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:84ea4750 r4:85002900 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:85298c00 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:8500292c r4:85002900 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb909e90 r8:84eda400 r7:85002900 r6:8026736c r5:85298c00 r4:84eda940 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfd31fb0 to 0xdfd31ff8) 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 r5:8026e784 r4:84eda940 INFO: task kworker/0:42:5822 blocked for more than 430 seconds. Not tainted 6.8.0-rc2-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:42 state:D stack:0 pid:5822 tgid:5822 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<81857424>] (__schedule) from [<8185805c>] (__schedule_loop kernel/sched/core.c:6802 [inline]) [<81857424>] (__schedule) from [<8185805c>] (schedule+0x2c/0xb8 kernel/sched/core.c:6817) r10:82c16005 r9:00000000 r8:8270dd78 r7:00000002 r6:dfb65dac r5:85299800 r4:85299800 [<81858030>] (schedule) from [<81858628>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6874) r5:85299800 r4:8270dd74 [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<81858610>] (schedule_preempt_disabled) from [<8185af10>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8185ac28>] (__mutex_lock.constprop.0) from [<8185b7dc>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfb65e38 r8:00000000 r7:ffffffff r6:00000000 r5:85227640 r4:00000000 [<8185b7c8>] (__mutex_lock_slowpath) from [<8185b81c>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8185b7e0>] (mutex_lock) from [<8048df34>] (_vm_unmap_aliases+0x60/0x2e4 mm/vmalloc.c:2267) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vm_reset_perms mm/vmalloc.c:2753 [inline]) [<8048ded4>] (_vm_unmap_aliases) from [<80491ad4>] (vfree+0x170/0x1e0 mm/vmalloc.c:2832) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85227640 r4:00000000 [<80491964>] (vfree) from [<802ea464>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:85299800 r8:00000000 r7:00000000 r6:82c16000 r5:00001000 r4:7f02d000 [<802ea434>] (module_memfree) from [<80388aec>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1048) r5:00001000 r4:dfd77000 [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_binary_free kernel/bpf/core.c:1094 [inline]) [<80388adc>] (bpf_jit_free_exec) from [<80388cac>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1218) [<80388c44>] (bpf_jit_free) from [<80389d8c>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2772) r5:85103750 r4:85103400 [<80389c40>] (bpf_prog_free_deferred) from [<80267064>] (process_one_work+0x19c/0x4a4 kernel/workqueue.c:2633) r7:dddd1280 r6:82c16000 r5:85103750 r4:85002a00 [<80266ec8>] (process_one_work) from [<802675ac>] (process_scheduled_works kernel/workqueue.c:2706 [inline]) [<80266ec8>] (process_one_work) from [<802675ac>] (worker_thread+0x240/0x48c kernel/workqueue.c:2787) r10:61c88647 r9:85299800 r8:dddd12a0 r7:82604d40 r6:dddd1280 r5:85002a2c r4:85002a00 [<8026736c>] (worker_thread) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb909e90 r8:85009b80 r7:85002a00 r6:8026736c r5:85299800 r4:850097c0 [<8026e784>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfb65fb0 to 0xdfb65ff8) 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 r5:8026e784 r4:850097c0 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-rc2-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<81835fcc>] (dump_backtrace) from [<818360c8>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000113 r5:60000193 r4:81fbcf44 [<818360b0>] (show_stack) from [<818535bc>] (__dump_stack lib/dump_stack.c:88 [inline]) [<818360b0>] (show_stack) from [<818535bc>] (dump_stack_lvl+0x48/0x54 lib/dump_stack.c:106) [<81853574>] (dump_stack_lvl) from [<818535e0>] (dump_stack+0x18/0x1c lib/dump_stack.c:113) r5:00000001 r4:00000001 [<818535c8>] (dump_stack) from [<818233f8>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81823298>] (nmi_cpu_backtrace) from [<81823544>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8260c494 r5:8261a7d8 r4:ffffffff [<81823414>] (nmi_trigger_cpumask_backtrace) from [<80210574>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:00000001 r8:82894eb8 r7:8260c5ec r6:00007dae r5:8261adc8 r4:82fdc22c [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e54>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e54>] (check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]) [<8021055c>] (arch_trigger_cpumask_backtrace) from [<80347e54>] (watchdog+0x48c/0x59c kernel/hung_task.c:379) [<803479c8>] (watchdog) from [<8026e888>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819e58 r8:82ec4900 r7:00000000 r6:803479c8 r5:82ef1800 r4:82ec4800 [<8026e784>] (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 r5:8026e784 r4:82ec4800 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 5168 Comm: syz-executor.0 Not tainted 6.8.0-rc2-syzkaller #0 Hardware name: ARM-Versatile Express PC is at 0x16900 LR is at 0x16900 pc : [<00016900>] lr : [<00016900>] psr: 20000010 sp : 20000a50 ip : 20000a50 fp : 76b230fc r10: 003d0f00 r9 : 7e8ad32f r8 : 7e8ad32e 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: 850e8580 DAC: fffffffd Backtrace: invalid frame pointer 0x76b230fc