INFO: task kworker/0:1:9 blocked for more than 450 seconds. Not tainted 6.9.0-rc1-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: [<8189a620>] (__schedule) from [<8189b25c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a620>] (__schedule) from [<8189b25c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:df83dd94 r5:82e2e000 r4:82e2e000 [<8189b230>] (schedule) from [<8189b86c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:82e2e000 r4:82714be4 [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189de64>] (__mutex_lock.constprop.0) from [<8189ea18>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:df83de20 r8:00000000 r7:ffffffff r6:00000000 r5:847e3840 r4:00000000 [<8189ea04>] (__mutex_lock_slowpath) from [<8189ea58>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189ea1c>] (mutex_lock) from [<8049c44c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:847e3840 r4:00000000 [<804a0160>] (vfree) from [<802ed978>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82e2e000 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f071000 [<802ed948>] (module_memfree) from [<80391518>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfc0b000 [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391670>] (bpf_jit_free) from [<803927c0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:848af354 r4:848af000 [<80392674>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:848af354 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/1:1:45 blocked for more than 450 seconds. Not tainted 6.9.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack:0 pid:45 tgid:45 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a620>] (__schedule) from [<8189b25c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a620>] (__schedule) from [<8189b25c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:df919d94 r5:82ef6c00 r4:82ef6c00 [<8189b230>] (schedule) from [<8189b86c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:82ef6c00 r4:82714be4 [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189de64>] (__mutex_lock.constprop.0) from [<8189ea18>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df919e20 r8:00000000 r7:ffffffff r6:00000000 r5:8486d100 r4:00000000 [<8189ea04>] (__mutex_lock_slowpath) from [<8189ea58>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189ea1c>] (mutex_lock) from [<8049c44c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8486d100 r4:00000000 [<804a0160>] (vfree) from [<802ed978>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82ef6c00 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f12f000 [<802ed948>] (module_memfree) from [<80391518>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:ead2b000 [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391670>] (bpf_jit_free) from [<803927c0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8488db54 r4:8488d800 [<80392674>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:8488db54 r4:83403c80 [<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) r10:82ef6c00 r9:83403cac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:83403c80 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df879e90 r8:83407740 r7:83403c80 r6:80267134 r5:82ef6c00 r4:83407540 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf919fb0 to 0xdf919ff8) 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 r4:83407540 INFO: task kworker/1:2:48 blocked for more than 450 seconds. Not tainted 6.9.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:2 state:D stack:0 pid:48 tgid:48 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a620>] (__schedule) from [<8189b25c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a620>] (__schedule) from [<8189b25c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:df925d94 r5:82f09800 r4:82f09800 [<8189b230>] (schedule) from [<8189b86c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:82f09800 r4:82714be4 [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189de64>] (__mutex_lock.constprop.0) from [<8189ea18>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df925e20 r8:00000000 r7:ffffffff r6:00000000 r5:8486d1c0 r4:00000000 [<8189ea04>] (__mutex_lock_slowpath) from [<8189ea58>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189ea1c>] (mutex_lock) from [<8049c44c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8486d1c0 r4:00000000 [<804a0160>] (vfree) from [<802ed978>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82f09800 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f06b000 [<802ed948>] (module_memfree) from [<80391518>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfbdb000 [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391670>] (bpf_jit_free) from [<803927c0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8488fb54 r4:8488f800 [<80392674>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:8488fb54 r4:82eb7b80 [<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) r10:82f09800 r9:82eb7bac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:82eb7b80 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df879e90 r8:83407c00 r7:82eb7b80 r6:80267134 r5:82f09800 r4:83407b00 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf925fb0 to 0xdf925ff8) 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 r4:83407b00 INFO: task kworker/0:2:1446 blocked for more than 450 seconds. Not tainted 6.9.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:0 pid:1446 tgid:1446 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a620>] (__schedule) from [<8189b25c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a620>] (__schedule) from [<8189b25c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:eaff9d94 r5:836b2400 r4:836b2400 [<8189b230>] (schedule) from [<8189b86c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:836b2400 r4:82714be4 [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189de64>] (__mutex_lock.constprop.0) from [<8189ea18>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:eaff9e20 r8:00000000 r7:ffffffff r6:00000000 r5:84884b40 r4:00000000 [<8189ea04>] (__mutex_lock_slowpath) from [<8189ea58>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189ea1c>] (mutex_lock) from [<8049c44c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84884b40 r4:00000000 [<804a0160>] (vfree) from [<802ed978>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:836b2400 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f063000 [<802ed948>] (module_memfree) from [<80391518>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfb21000 [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391670>] (bpf_jit_free) from [<803927c0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:848d8b54 r4:848d8800 [<80392674>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:848d8b54 r4:83ec4d00 [<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) r10:836b2400 r9:83ec4d2c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:83ec4d00 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df835e90 r8:83ec8840 r7:83ec4d00 r6:80267134 r5:836b2400 r4:83ec8740 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeaff9fb0 to 0xeaff9ff8) 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 r4:83ec8740 INFO: task kworker/0:0:3004 blocked for more than 450 seconds. Not tainted 6.9.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:0 state:D stack:0 pid:3004 tgid:3004 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a620>] (__schedule) from [<8189b25c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a620>] (__schedule) from [<8189b25c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:eb675d94 r5:840ab000 r4:840ab000 [<8189b230>] (schedule) from [<8189b86c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:840ab000 r4:82714be4 [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189de64>] (__mutex_lock.constprop.0) from [<8189ea18>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:eb675e20 r8:00000000 r7:ffffffff r6:00000000 r5:84383e00 r4:00000000 [<8189ea04>] (__mutex_lock_slowpath) from [<8189ea58>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189ea1c>] (mutex_lock) from [<8049c44c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84383e00 r4:00000000 [<804a0160>] (vfree) from [<802ed978>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:840ab000 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f053000 [<802ed948>] (module_memfree) from [<80391518>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e005b000 [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391670>] (bpf_jit_free) from [<803927c0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:848bdf54 r4:848bdc00 [<80392674>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:848bdf54 r4:8428f500 [<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) r10:840ab000 r9:8428f52c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8428f500 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eaff9e90 r8:84285a00 r7:8428f500 r6:80267134 r5:840ab000 r4:82f18c80 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeb675fb0 to 0xeb675ff8) 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 r4:82f18c80 INFO: task kworker/1:0:3007 blocked for more than 450 seconds. Not tainted 6.9.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:0 pid:3007 tgid:3007 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a620>] (__schedule) from [<8189b25c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a620>] (__schedule) from [<8189b25c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:df965d94 r5:840ae000 r4:840ae000 [<8189b230>] (schedule) from [<8189b86c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:840ae000 r4:82714be4 [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189de64>] (__mutex_lock.constprop.0) from [<8189ea18>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df965e20 r8:00000000 r7:ffffffff r6:00000000 r5:84434640 r4:00000000 [<8189ea04>] (__mutex_lock_slowpath) from [<8189ea58>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189ea1c>] (mutex_lock) from [<8049c44c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84434640 r4:00000000 [<804a0160>] (vfree) from [<802ed978>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:840ae000 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f079000 [<802ed948>] (module_memfree) from [<80391518>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfd73000 [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391670>] (bpf_jit_free) from [<803927c0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:848a9754 r4:848a9400 [<80392674>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:848a9754 r4:83f87280 [<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) r10:840ae000 r9:83f872ac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:83f87280 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df919e90 r8:82f7d3c0 r7:83f87280 r6:80267134 r5:840ae000 r4:82f7d480 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf965fb0 to 0xdf965ff8) 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 r4:82f7d480 INFO: task kworker/1:4:3014 blocked for more than 450 seconds. Not tainted 6.9.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:4 state:D stack:0 pid:3014 tgid:3014 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a620>] (__schedule) from [<8189b25c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a620>] (__schedule) from [<8189b25c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:df98dd94 r5:836b1800 r4:836b1800 [<8189b230>] (schedule) from [<8189b86c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:836b1800 r4:82714be4 [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189de64>] (__mutex_lock.constprop.0) from [<8189ea18>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df98de20 r8:00000000 r7:ffffffff r6:00000000 r5:84412ec0 r4:00000000 [<8189ea04>] (__mutex_lock_slowpath) from [<8189ea58>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189ea1c>] (mutex_lock) from [<8049c44c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84412ec0 r4:00000000 [<804a0160>] (vfree) from [<802ed978>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:836b1800 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f129000 [<802ed948>] (module_memfree) from [<80391518>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eacfb000 [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391670>] (bpf_jit_free) from [<803927c0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8488cf54 r4:8488cc00 [<80392674>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:8488cf54 r4:83663c00 [<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) r10:836b1800 r9:83663c2c r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:83663c00 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df919e90 r8:837c7480 r7:83663c00 r6:80267134 r5:836b1800 r4:82f18940 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf98dfb0 to 0xdf98dff8) 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 r4:82f18940 INFO: task kworker/0:3:3016 blocked for more than 451 seconds. Not tainted 6.9.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:3 state:D stack:0 pid:3016 tgid:3016 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a620>] (__schedule) from [<8189b25c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a620>] (__schedule) from [<8189b25c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:df9a1d94 r5:834a2400 r4:834a2400 [<8189b230>] (schedule) from [<8189b86c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:834a2400 r4:82714be4 [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189de64>] (__mutex_lock.constprop.0) from [<8189ea18>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:df9a1e20 r8:00000000 r7:ffffffff r6:00000000 r5:84884880 r4:00000000 [<8189ea04>] (__mutex_lock_slowpath) from [<8189ea58>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189ea1c>] (mutex_lock) from [<8049c44c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84884880 r4:00000000 [<804a0160>] (vfree) from [<802ed978>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:834a2400 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f14b000 [<802ed948>] (module_memfree) from [<80391518>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eae33000 [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391670>] (bpf_jit_free) from [<803927c0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:848d8354 r4:848d8000 [<80392674>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:848d8354 r4:8428f580 [<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) r10:834a2400 r9:8428f5ac r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8428f580 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eaff9e90 r8:84395d80 r7:8428f580 r6:80267134 r5:834a2400 r4:8438d3c0 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf9a1fb0 to 0xdf9a1ff8) 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 r4:8438d3c0 INFO: task kworker/0:4:3019 blocked for more than 451 seconds. Not tainted 6.9.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:4 state:D stack:0 pid:3019 tgid:3019 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a620>] (__schedule) from [<8189b25c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a620>] (__schedule) from [<8189b25c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:df9b9d94 r5:834a6c00 r4:834a6c00 [<8189b230>] (schedule) from [<8189b86c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:834a6c00 r4:82714be4 [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189de64>] (__mutex_lock.constprop.0) from [<8189ea18>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:df9b9e20 r8:00000000 r7:ffffffff r6:00000000 r5:84884980 r4:00000000 [<8189ea04>] (__mutex_lock_slowpath) from [<8189ea58>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189ea1c>] (mutex_lock) from [<8049c44c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84884980 r4:00000000 [<804a0160>] (vfree) from [<802ed978>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:834a6c00 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f14d000 [<802ed948>] (module_memfree) from [<80391518>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eae41000 [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391670>] (bpf_jit_free) from [<803927c0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:848d8754 r4:848d8400 [<80392674>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:848d8754 r4:8428f600 [<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) r10:834a6c00 r9:8428f62c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8428f600 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eaff9e90 r8:84252040 r7:8428f600 r6:80267134 r5:834a6c00 r4:8438ca40 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf9b9fb0 to 0xdf9b9ff8) 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 r4:8438ca40 INFO: task kworker/0:5:3020 blocked for more than 451 seconds. Not tainted 6.9.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:5 state:D stack:0 pid:3020 tgid:3020 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<8189a620>] (__schedule) from [<8189b25c>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a620>] (__schedule) from [<8189b25c>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:df9c5d94 r5:834a5400 r4:834a5400 [<8189b230>] (schedule) from [<8189b86c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:834a5400 r4:82714be4 [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b854>] (schedule_preempt_disabled) from [<8189e14c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189de64>] (__mutex_lock.constprop.0) from [<8189ea18>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:df9c5e20 r8:00000000 r7:ffffffff r6:00000000 r5:84884a00 r4:00000000 [<8189ea04>] (__mutex_lock_slowpath) from [<8189ea58>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189ea1c>] (mutex_lock) from [<8049c44c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c3ec>] (_vm_unmap_aliases) from [<804a02d0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84884a00 r4:00000000 [<804a0160>] (vfree) from [<802ed978>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:834a5400 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f00b000 [<802ed948>] (module_memfree) from [<80391518>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:df909000 [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<80391508>] (bpf_jit_free_exec) from [<803916d8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391670>] (bpf_jit_free) from [<803927c0>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8488f754 r4:8488f400 [<80392674>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:8488f754 r4:8428f780 [<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) r10:834a5400 r9:8428f7ac r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8428f780 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eaff9e90 r8:82f7df40 r7:8428f780 r6:80267134 r5:834a5400 r4:83ec8980 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf9c5fb0 to 0xdf9c5ff8) 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 r4:83ec8980 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 6.9.0-rc1-syzkaller #0 Hardware name: ARM-Versatile Express Call trace: [<81878e9c>] (dump_backtrace) from [<81878f98>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000113 r5:60000193 r4:81fc4710 [<81878f80>] (show_stack) from [<81896750>] (__dump_stack lib/dump_stack.c:88 [inline]) [<81878f80>] (show_stack) from [<81896750>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:114) [<818966e0>] (dump_stack_lvl) from [<81896774>] (dump_stack+0x18/0x1c lib/dump_stack.c:123) r5:00000001 r4:00000001 [<8189675c>] (dump_stack) from [<81866274>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81866114>] (nmi_cpu_backtrace) from [<818663c0>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8260c590 r5:8261a88c r4:ffffffff [<81866290>] (nmi_trigger_cpumask_backtrace) from [<802105b4>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:8260c6f4 r8:00024036 r7:8289dfe0 r6:00007d6c r5:849cee04 r4:848dc224 [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034eab0>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034eab0>] (check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]) [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034eab0>] (watchdog+0x480/0x594 kernel/hung_task.c:380) [<8034e630>] (watchdog) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819e58 r8:82f18c00 r7:00000000 r6:8034e630 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 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 2806 Comm: syslogd Not tainted 6.9.0-rc1-syzkaller #0 Hardware name: ARM-Versatile Express PC is at ktime_get_coarse_real_ts64+0x38/0x90 kernel/time/timekeeping.c:2262 LR is at cycles_at_suspend+0x0/0x40 pc : [<802ff030>] lr : [<8289c4c0>] psr: 60000013 sp : ec649df8 ip : 00030104 fp : ec649e34 r10: 81a19bc0 r9 : 023ea4d0 r8 : 8437e000 r7 : 00000000 r6 : ec649df8 r5 : ec649e58 r4 : ec649e08 r3 : 840d6000 r2 : 840d6000 r1 : 00000000 r0 : ec649e58 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 84242080 DAC: fffffffd Call trace: [<802feff8>] (ktime_get_coarse_real_ts64) from [<805193c4>] (current_time fs/inode.c:2499 [inline]) [<802feff8>] (ktime_get_coarse_real_ts64) from [<805193c4>] (inode_needs_update_time+0x44/0x134 fs/inode.c:2081) r7:ec649ef0 r6:ec649e58 r5:838e3098 r4:00000000 [<80519380>] (inode_needs_update_time) from [<805198e8>] (file_update_time+0x18/0x80 fs/inode.c:2135) r6:838e3120 r5:8437e000 r4:00000000 [<805198d0>] (file_update_time) from [<8045355c>] (shmem_file_write_iter+0x68/0x84 mm/shmem.c:2923) r7:ec649ef0 r6:838e3120 r5:ec649f08 r4:00000000 [<804534f4>] (shmem_file_write_iter) from [<804f7178>] (call_write_iter include/linux/fs.h:2108 [inline]) [<804534f4>] (shmem_file_write_iter) from [<804f7178>] (new_sync_write fs/read_write.c:497 [inline]) [<804534f4>] (shmem_file_write_iter) from [<804f7178>] (vfs_write+0x274/0x438 fs/read_write.c:590) r9:023ea4d0 r8:ec649f68 r7:840d6000 r6:0000008d r5:8437e000 r4:804534f4 [<804f6f04>] (vfs_write) from [<804f74c0>] (ksys_write+0x78/0xf8 fs/read_write.c:643) r10:00000004 r9:840d6000 r8:80200288 r7:00000000 r6:00023b3d r5:8437e000 r4:8437e000 [<804f7448>] (ksys_write) from [<804f7550>] (__do_sys_write fs/read_write.c:655 [inline]) [<804f7448>] (ksys_write) from [<804f7550>] (sys_write+0x10/0x14 fs/read_write.c:652) r7:00000004 r6:76f38548 r5:76f705a0 r4:00000003 [<804f7540>] (sys_write) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66) Exception stack(0xec649fa8 to 0xec649ff0) 9fa0: 00000003 76f705a0 00000003 023ea4d0 0000008d 00000000 9fc0: 00000003 76f705a0 76f38548 00000004 0000008d 023ea1c8 76f3854c 7ee9dc84 9fe0: 76f37d74 7ee9db80 76e62760 76dbb39c