INFO: task kworker/0:1:9 blocked for more than 450 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1 state:D stack:0 pid:9 tgid:9 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a4e0>] (__schedule) from [<8189b11c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a4e0>] (__schedule) from [<8189b11c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:df83dd94 r5:82e2e000 r4:82e2e000 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:82e2e000 r4:82714be4 [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dd24>] (__mutex_lock.constprop.0) from [<8189e8d8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:df83de20 r8:00000000 r7:ffffffff r6:00000000 r5:84e40600 r4:00000000 [<8189e8c4>] (__mutex_lock_slowpath) from [<8189e918>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e8dc>] (mutex_lock) from [<8049c444>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e40600 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82e2e000 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f0a7000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e083f000 [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391668>] (bpf_jit_free) from [<803927b8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:84df6f54 r4:84df6c00 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:84df6f54 r4:82c0bf80 [<80266444>] (process_one_work) from [<80267320>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266444>] (process_one_work) from [<80267320>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:82e2e000 r9:82c0bfac r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:82c0bf80 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df835e90 r8:82cada00 r7:82c0bf80 r6:80267134 r5:82e2e000 r4:82cad800 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf83dfb0 to 0xdf83dff8) 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 r5:8026ff30 r4:82cad800 INFO: task kworker/1:1:49 blocked for more than 450 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack:0 pid:49 tgid:49 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a4e0>] (__schedule) from [<8189b11c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a4e0>] (__schedule) from [<8189b11c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:df929d94 r5:82ef6000 r4:82ef6000 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:82ef6000 r4:82714be4 [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dd24>] (__mutex_lock.constprop.0) from [<8189e8d8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df929e20 r8:00000000 r7:ffffffff r6:00000000 r5:84cb5cc0 r4:00000000 [<8189e8c4>] (__mutex_lock_slowpath) from [<8189e918>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e8dc>] (mutex_lock) from [<8049c444>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84cb5cc0 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82ef6000 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f02f000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfb63000 [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391668>] (bpf_jit_free) from [<803927b8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:84cf9354 r4:84cf9000 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:84cf9354 r4:82ed0980 [<80266444>] (process_one_work) from [<80267320>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266444>] (process_one_work) from [<80267320>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:82ef6000 r9:82ed09ac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:82ed0980 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df879e90 r8:83407000 r7:82ed0980 r6:80267134 r5:82ef6000 r4:83402e80 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf929fb0 to 0xdf929ff8) 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 r5:8026ff30 r4:83402e80 INFO: task kworker/0:3:93 blocked for more than 450 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:3 state:D stack:0 pid:93 tgid:93 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a4e0>] (__schedule) from [<8189b11c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a4e0>] (__schedule) from [<8189b11c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:df9add94 r5:835da400 r4:835da400 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:835da400 r4:82714be4 [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dd24>] (__mutex_lock.constprop.0) from [<8189e8d8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:df9ade20 r8:00000000 r7:ffffffff r6:00000000 r5:84dda200 r4:00000000 [<8189e8c4>] (__mutex_lock_slowpath) from [<8189e918>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e8dc>] (mutex_lock) from [<8049c444>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84dda200 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:835da400 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f059000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e0995000 [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391668>] (bpf_jit_free) from [<803927b8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:84e08b54 r4:84e08800 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:84e08b54 r4:83623000 [<80266444>] (process_one_work) from [<80267320>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266444>] (process_one_work) from [<80267320>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:835da400 r9:8362302c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:83623000 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df835e90 r8:83472a40 r7:83623000 r6:80267134 r5:835da400 r4:83624300 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf9adfb0 to 0xdf9adff8) 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 r5:8026ff30 r4:83624300 INFO: task kworker/1:3:1579 blocked for more than 450 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:0 pid:1579 tgid:1579 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a4e0>] (__schedule) from [<8189b11c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a4e0>] (__schedule) from [<8189b11c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:eb091d94 r5:83698000 r4:83698000 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:83698000 r4:82714be4 [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dd24>] (__mutex_lock.constprop.0) from [<8189e8d8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:eb091e20 r8:00000000 r7:ffffffff r6:00000000 r5:84e2bf40 r4:00000000 [<8189e8c4>] (__mutex_lock_slowpath) from [<8189e918>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e8dc>] (mutex_lock) from [<8049c444>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e2bf40 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83698000 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f095000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e00ad000 [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391668>] (bpf_jit_free) from [<803927b8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:847e1f54 r4:847e1c00 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:847e1f54 r4:83f18c00 [<80266444>] (process_one_work) from [<80267320>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266444>] (process_one_work) from [<80267320>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:83698000 r9:83f18c2c r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:83f18c00 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df879e90 r8:83f06740 r7:83f18c00 r6:80267134 r5:83698000 r4:83efb640 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeb091fb0 to 0xeb091ff8) 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 r5:8026ff30 r4:83efb640 INFO: task kworker/1:0:2998 blocked for more than 450 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:2998 tgid:2998 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a4e0>] (__schedule) from [<8189b11c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a4e0>] (__schedule) from [<8189b11c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:df961d94 r5:83ebc800 r4:83ebc800 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:83ebc800 r4:82714be4 [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dd24>] (__mutex_lock.constprop.0) from [<8189e8d8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df961e20 r8:00000000 r7:ffffffff r6:00000000 r5:84c1f980 r4:00000000 [<8189e8c4>] (__mutex_lock_slowpath) from [<8189e918>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e8dc>] (mutex_lock) from [<8049c444>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84c1f980 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83ebc800 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f031000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:df995000 [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391668>] (bpf_jit_free) from [<803927b8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:842d1754 r4:842d1400 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:842d1754 r4:84414a00 [<80266444>] (process_one_work) from [<80267320>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266444>] (process_one_work) from [<80267320>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:83ebc800 r9:84414a2c r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:84414a00 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb091e90 r8:82cad700 r7:84414a00 r6:80267134 r5:83ebc800 r4:845cdf80 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf961fb0 to 0xdf961ff8) 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 r5:8026ff30 r4:845cdf80 INFO: task kworker/0:5:3010 blocked for more than 450 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:5 state:D stack:0 pid:3010 tgid:3010 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a4e0>] (__schedule) from [<8189b11c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a4e0>] (__schedule) from [<8189b11c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:df96dd94 r5:83ec5400 r4:83ec5400 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:83ec5400 r4:82714be4 [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dd24>] (__mutex_lock.constprop.0) from [<8189e8d8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:df96de20 r8:00000000 r7:ffffffff r6:00000000 r5:84e40840 r4:00000000 [<8189e8c4>] (__mutex_lock_slowpath) from [<8189e918>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e8dc>] (mutex_lock) from [<8049c444>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e40840 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83ec5400 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f0ab000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e0acf000 [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391668>] (bpf_jit_free) from [<803927b8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:84df7754 r4:84df7400 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:84df7754 r4:845c3900 [<80266444>] (process_one_work) from [<80267320>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266444>] (process_one_work) from [<80267320>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:83ec5400 r9:845c392c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:845c3900 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df83de90 r8:83f93e80 r7:845c3900 r6:80267134 r5:83ec5400 r4:84412fc0 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf96dfb0 to 0xdf96dff8) 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 r5:8026ff30 r4:84412fc0 INFO: task kworker/1:2:3015 blocked for more than 450 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:2 state:D stack:0 pid:3015 tgid:3015 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a4e0>] (__schedule) from [<8189b11c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a4e0>] (__schedule) from [<8189b11c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:df969d94 r5:83ec6000 r4:83ec6000 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:83ec6000 r4:82714be4 [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dd24>] (__mutex_lock.constprop.0) from [<8189e8d8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df969e20 r8:00000000 r7:ffffffff r6:00000000 r5:84dbd380 r4:00000000 [<8189e8c4>] (__mutex_lock_slowpath) from [<8189e918>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e8dc>] (mutex_lock) from [<8049c444>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84dbd380 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83ec6000 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f039000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfa65000 [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391668>] (bpf_jit_free) from [<803927b8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:84158754 r4:84158400 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:84158754 r4:84414a80 [<80266444>] (process_one_work) from [<80267320>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266444>] (process_one_work) from [<80267320>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:83ec6000 r9:84414aac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:84414a80 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb091e90 r8:84103600 r7:84414a80 r6:80267134 r5:83ec6000 r4:845cd400 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf969fb0 to 0xdf969ff8) 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 r5:8026ff30 r4:845cd400 INFO: task kworker/1:4:3020 blocked for more than 450 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:4 state:D stack:0 pid:3020 tgid:3020 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a4e0>] (__schedule) from [<8189b11c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a4e0>] (__schedule) from [<8189b11c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:df979d94 r5:83ec4800 r4:83ec4800 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:83ec4800 r4:82714be4 [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dd24>] (__mutex_lock.constprop.0) from [<8189e8d8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df979e20 r8:00000000 r7:ffffffff r6:00000000 r5:84e4d9c0 r4:00000000 [<8189e8c4>] (__mutex_lock_slowpath) from [<8189e918>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e8dc>] (mutex_lock) from [<8049c444>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e4d9c0 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83ec4800 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f0cb000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eadc3000 [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391668>] (bpf_jit_free) from [<803927b8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:847e1b54 r4:847e1800 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:847e1b54 r4:84414b00 [<80266444>] (process_one_work) from [<80267320>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266444>] (process_one_work) from [<80267320>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:83ec4800 r9:84414b2c r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:84414b00 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb091e90 r8:834899c0 r7:84414b00 r6:80267134 r5:83ec4800 r4:845cd800 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf979fb0 to 0xdf979ff8) 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 r5:8026ff30 r4:845cd800 INFO: task kworker/1:5:3021 blocked for more than 450 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:5 state:D stack:0 pid:3021 tgid:3021 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a4e0>] (__schedule) from [<8189b11c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a4e0>] (__schedule) from [<8189b11c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:df9b5d94 r5:83ec2400 r4:83ec2400 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:83ec2400 r4:82714be4 [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dd24>] (__mutex_lock.constprop.0) from [<8189e8d8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df9b5e20 r8:00000000 r7:ffffffff r6:00000000 r5:84e3a5c0 r4:00000000 [<8189e8c4>] (__mutex_lock_slowpath) from [<8189e918>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e8dc>] (mutex_lock) from [<8049c444>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e3a5c0 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83ec2400 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f06f000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eac0d000 [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391668>] (bpf_jit_free) from [<803927b8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:847f1b54 r4:847f1800 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:847f1b54 r4:84414780 [<80266444>] (process_one_work) from [<80267320>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266444>] (process_one_work) from [<80267320>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:83ec2400 r9:844147ac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:84414780 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df979e90 r8:841059c0 r7:84414780 r6:80267134 r5:83ec2400 r4:845cdc80 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf9b5fb0 to 0xdf9b5ff8) 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 r5:8026ff30 r4:845cdc80 INFO: task kworker/1:6:3023 blocked for more than 450 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:6 state:D stack:0 pid:3023 tgid:3023 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a4e0>] (__schedule) from [<8189b11c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a4e0>] (__schedule) from [<8189b11c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:df9c1d94 r5:83ec0c00 r4:83ec0c00 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:83ec0c00 r4:82714be4 [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b714>] (schedule_preempt_disabled) from [<8189e00c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dd24>] (__mutex_lock.constprop.0) from [<8189e8d8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df9c1e20 r8:00000000 r7:ffffffff r6:00000000 r5:84e3acc0 r4:00000000 [<8189e8c4>] (__mutex_lock_slowpath) from [<8189e918>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e8dc>] (mutex_lock) from [<8049c444>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3e4>] (_vm_unmap_aliases) from [<804a02c8>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84e3acc0 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83ec0c00 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f033000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:df9c9000 [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391500>] (bpf_jit_free_exec) from [<803916d0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391668>] (bpf_jit_free) from [<803927b8>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:847f2f54 r4:847f2c00 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:847f2f54 r4:84414900 [<80266444>] (process_one_work) from [<80267320>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266444>] (process_one_work) from [<80267320>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:83ec0c00 r9:8441492c r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:84414900 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df9b5e90 r8:83e14140 r7:84414900 r6:80267134 r5:83ec0c00 r4:845cd140 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf9c1fb0 to 0xdf9c1ff8) 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 r5:8026ff30 r4:845cd140 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 6.8.0-syzkaller #0 Hardware name: ARM-Versatile Express Call trace: [<81878d5c>] (dump_backtrace) from [<81878e58>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000113 r5:60000193 r4:81fc4708 [<81878e40>] (show_stack) from [<81896610>] (__dump_stack lib/dump_stack.c:88 [inline]) [<81878e40>] (show_stack) from [<81896610>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:114) [<818965a0>] (dump_stack_lvl) from [<81896634>] (dump_stack+0x18/0x1c lib/dump_stack.c:123) r5:00000000 r4:00000001 [<8189661c>] (dump_stack) from [<81866134>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81865fd4>] (nmi_cpu_backtrace) from [<81866280>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8260c590 r5:8261a88c r4:ffffffff [<81866150>] (nmi_trigger_cpumask_backtrace) from [<802105b4>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:8260c6f4 r8:00024019 r7:8289dfe0 r6:00007d6a r5:846a5604 r4:84e0e924 [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034eaa8>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034eaa8>] (check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]) [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034eaa8>] (watchdog+0x480/0x594 kernel/hung_task.c:380) [<8034e628>] (watchdog) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819e58 r8:82f18c00 r7:00000000 r6:8034e628 r5:82e50c00 r4:82ebe940 [<8026ff30>] (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 r5:8026ff30 r4:82ebe940 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 2812 Comm: klogd Not tainted 6.8.0-syzkaller #0 Hardware name: ARM-Versatile Express PC is at 0x76db2754 LR is at 0x76db2754 pc : [<76db2754>] lr : [<76db2754>] psr: 20000010 sp : 7ec51ba8 ip : 00000000 fp : 76f6a21a r10: 76e90e60 r9 : 00000006 r8 : 76e90e60 r7 : 7ec51bf4 r6 : ffffffff r5 : 0188b1a8 r4 : 00000000 r3 : 00000000 r2 : 0188b258 r1 : fbad0000 r0 : 0188b1a8 Flags: nzCv IRQs on FIQs on Mode USER_32 ISA ARM Segment none Control: 30c5387d Table: 842ae980 DAC: 00000000 Call trace: invalid frame pointer 0x76f6a21a