INFO: task kworker/0:2:44 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:2 state:D stack:0 pid:44 tgid:44 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818996e0>] (__schedule) from [<8189a31c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<818996e0>] (__schedule) from [<8189a31c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:df915d94 r5:82fda400 r4:82fda400 [<8189a2f0>] (schedule) from [<8189a92c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:82fda400 r4:82714be4 [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189cf24>] (__mutex_lock.constprop.0) from [<8189dad8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:df915e20 r8:00000000 r7:ffffffff r6:00000000 r5:844f9dc0 r4:00000000 [<8189dac4>] (__mutex_lock_slowpath) from [<8189db18>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189dadc>] (mutex_lock) from [<8049c21c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:844f9dc0 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82fda400 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f093000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfba7000 [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391440>] (bpf_jit_free) from [<80392590>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8a5bfb54 r4:8a5bf800 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:8a5bfb54 r4:82f92a00 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:82fda400 r9:82f92a2c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:82f92a00 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df839e90 r8:82f939c0 r7:82f92a00 r6:802670f4 r5:82fda400 r4:82f938c0 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf915fb0 to 0xdf915ff8) 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 r5:8026fef0 r4:82f938c0 INFO: task kworker/1:2:91 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:2 state:D stack:0 pid:91 tgid:91 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818996e0>] (__schedule) from [<8189a31c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<818996e0>] (__schedule) from [<8189a31c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:df971d94 r5:8352a400 r4:8352a400 [<8189a2f0>] (schedule) from [<8189a92c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:8352a400 r4:82714be4 [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189cf24>] (__mutex_lock.constprop.0) from [<8189dad8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df971e20 r8:00000000 r7:ffffffff r6:00000000 r5:8458a980 r4:00000000 [<8189dac4>] (__mutex_lock_slowpath) from [<8189db18>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189dadc>] (mutex_lock) from [<8049c21c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8458a980 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8352a400 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f029000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dff8a000 [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391440>] (bpf_jit_free) from [<80392590>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:841af354 r4:841af000 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:841af354 r4:82e96b80 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:8352a400 r9:82e96bac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:82e96b80 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df879e90 r8:834a88c0 r7:82e96b80 r6:802670f4 r5:8352a400 r4:82ee2dc0 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf971fb0 to 0xdf971ff8) 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 r5:8026fef0 r4:82ee2dc0 INFO: task kworker/1:74:10955 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:74 state:D stack:0 pid:10955 tgid:10955 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818996e0>] (__schedule) from [<8189a31c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<818996e0>] (__schedule) from [<8189a31c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:eadf9d94 r5:8a6d6c00 r4:8a6d6c00 [<8189a2f0>] (schedule) from [<8189a92c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:8a6d6c00 r4:82714be4 [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189cf24>] (__mutex_lock.constprop.0) from [<8189dad8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:eadf9e20 r8:00000000 r7:ffffffff r6:00000000 r5:8a279800 r4:00000000 [<8189dac4>] (__mutex_lock_slowpath) from [<8189db18>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189dadc>] (mutex_lock) from [<8049c21c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8a279800 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8a6d6c00 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f00b000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:df883000 [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391440>] (bpf_jit_free) from [<80392590>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8a674754 r4:8a674400 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:8a674754 r4:845f6080 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:8a6d6c00 r9:845f60ac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:845f6080 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eadade90 r8:8a149e40 r7:845f6080 r6:802670f4 r5:8a6d6c00 r4:8a149040 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeadf9fb0 to 0xeadf9ff8) 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 r5:8026fef0 r4:8a149040 INFO: task kworker/1:75:10957 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:75 state:D stack:0 pid:10957 tgid:10957 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818996e0>] (__schedule) from [<8189a31c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<818996e0>] (__schedule) from [<8189a31c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:eae99d94 r5:8a6d3c00 r4:8a6d3c00 [<8189a2f0>] (schedule) from [<8189a92c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:8a6d3c00 r4:82714be4 [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189cf24>] (__mutex_lock.constprop.0) from [<8189dad8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:eae99e20 r8:00000000 r7:ffffffff r6:00000000 r5:838111c0 r4:00000000 [<8189dac4>] (__mutex_lock_slowpath) from [<8189db18>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189dadc>] (mutex_lock) from [<8049c21c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:838111c0 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8a6d3c00 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f085000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eb6eb000 [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391440>] (bpf_jit_free) from [<80392590>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8a6ad354 r4:8a6ad000 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:8a6ad354 r4:845f6180 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:8a6d3c00 r9:845f61ac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:845f6180 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eadf9e90 r8:844c7900 r7:845f6180 r6:802670f4 r5:8a6d3c00 r4:8a149ec0 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeae99fb0 to 0xeae99ff8) 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 r5:8026fef0 r4:8a149ec0 INFO: task kworker/0:63:10963 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:63 state:D stack:0 pid:10963 tgid:10963 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818996e0>] (__schedule) from [<8189a31c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<818996e0>] (__schedule) from [<8189a31c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:eb3a5d94 r5:8a709800 r4:8a709800 [<8189a2f0>] (schedule) from [<8189a92c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:8a709800 r4:82714be4 [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189cf24>] (__mutex_lock.constprop.0) from [<8189dad8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:eb3a5e20 r8:00000000 r7:ffffffff r6:00000000 r5:8a2b5900 r4:00000000 [<8189dac4>] (__mutex_lock_slowpath) from [<8189db18>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189dadc>] (mutex_lock) from [<8049c21c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8a2b5900 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8a709800 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f06d000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eb403000 [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391440>] (bpf_jit_free) from [<80392590>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8a676f54 r4:8a676c00 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:8a676f54 r4:8a16e200 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:8a709800 r9:8a16e22c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8a16e200 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0765e90 r8:844cd500 r7:8a16e200 r6:802670f4 r5:8a709800 r4:8a705180 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeb3a5fb0 to 0xeb3a5ff8) 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 r5:8026fef0 r4:8a705180 INFO: task kworker/0:64:10964 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:64 state:D stack:0 pid:10964 tgid:10964 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818996e0>] (__schedule) from [<8189a31c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<818996e0>] (__schedule) from [<8189a31c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:eb3a9d94 r5:8a4cd400 r4:8a4cd400 [<8189a2f0>] (schedule) from [<8189a92c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:8a4cd400 r4:82714be4 [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189cf24>] (__mutex_lock.constprop.0) from [<8189dad8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:eb3a9e20 r8:00000000 r7:ffffffff r6:00000000 r5:8a2b56c0 r4:00000000 [<8189dac4>] (__mutex_lock_slowpath) from [<8189db18>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189dadc>] (mutex_lock) from [<8049c21c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8a2b56c0 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8a4cd400 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f06b000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eb3f9000 [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391440>] (bpf_jit_free) from [<80392590>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8a676b54 r4:8a676800 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:8a676b54 r4:8a16e180 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:8a4cd400 r9:8a16e1ac r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8a16e180 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb3a5e90 r8:8a149c80 r7:8a16e180 r6:802670f4 r5:8a4cd400 r4:8a3eb900 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeb3a9fb0 to 0xeb3a9ff8) 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 r5:8026fef0 r4:8a3eb900 INFO: task kworker/0:65:10972 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:65 state:D stack:0 pid:10972 tgid:10972 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818996e0>] (__schedule) from [<8189a31c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<818996e0>] (__schedule) from [<8189a31c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:eadb1d94 r5:8a718000 r4:8a718000 [<8189a2f0>] (schedule) from [<8189a92c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:8a718000 r4:82714be4 [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189cf24>] (__mutex_lock.constprop.0) from [<8189dad8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:eadb1e20 r8:00000000 r7:ffffffff r6:00000000 r5:8a2b5e00 r4:00000000 [<8189dac4>] (__mutex_lock_slowpath) from [<8189db18>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189dadc>] (mutex_lock) from [<8049c21c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8a2b5e00 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8a718000 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f071000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eb45f000 [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391440>] (bpf_jit_free) from [<80392590>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8a677754 r4:8a677400 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:8a677754 r4:8a16e100 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:8a718000 r9:8a16e12c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8a16e100 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb3a5e90 r8:8a149a80 r7:8a16e100 r6:802670f4 r5:8a718000 r4:8a2b5440 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeadb1fb0 to 0xeadb1ff8) 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 r5:8026fef0 r4:8a2b5440 INFO: task kworker/0:66:10975 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:66 state:D stack:0 pid:10975 tgid:10975 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818996e0>] (__schedule) from [<8189a31c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<818996e0>] (__schedule) from [<8189a31c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:eb455d94 r5:8a719800 r4:8a719800 [<8189a2f0>] (schedule) from [<8189a92c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:8a719800 r4:82714be4 [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189cf24>] (__mutex_lock.constprop.0) from [<8189dad8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:eb455e20 r8:00000000 r7:ffffffff r6:00000000 r5:8a2b5bc0 r4:00000000 [<8189dac4>] (__mutex_lock_slowpath) from [<8189db18>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189dadc>] (mutex_lock) from [<8049c21c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8a2b5bc0 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8a719800 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f06f000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eb451000 [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391440>] (bpf_jit_free) from [<80392590>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8a677354 r4:8a677000 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:8a677354 r4:8a16e080 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:8a719800 r9:8a16e0ac r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8a16e080 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eadb1e90 r8:8a149200 r7:8a16e080 r6:802670f4 r5:8a719800 r4:8a2b58c0 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeb455fb0 to 0xeb455ff8) 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 r5:8026fef0 r4:8a2b58c0 INFO: task kworker/1:76:10976 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:76 state:D stack:0 pid:10976 tgid:10976 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818996e0>] (__schedule) from [<8189a31c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<818996e0>] (__schedule) from [<8189a31c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:eb459d94 r5:8a71a400 r4:8a71a400 [<8189a2f0>] (schedule) from [<8189a92c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:8a71a400 r4:82714be4 [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189cf24>] (__mutex_lock.constprop.0) from [<8189dad8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:eb459e20 r8:00000000 r7:ffffffff r6:00000000 r5:8a56b540 r4:00000000 [<8189dac4>] (__mutex_lock_slowpath) from [<8189db18>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189dadc>] (mutex_lock) from [<8049c21c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16205 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8a56b540 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8a71a400 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f083000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eb6d9000 [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391440>] (bpf_jit_free) from [<80392590>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8a6ae354 r4:8a6ae000 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:8a6ae354 r4:845f6280 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:8a71a400 r9:845f62ac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:845f6280 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eadf9e90 r8:847cd780 r7:845f6280 r6:802670f4 r5:8a71a400 r4:8a149180 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeb459fb0 to 0xeb459ff8) 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 r5:8026fef0 r4:8a149180 INFO: task kworker/0:67:10980 blocked for more than 430 seconds. Not tainted 6.8.0-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:67 state:D stack:0 pid:10980 tgid:10980 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<818996e0>] (__schedule) from [<8189a31c>] (__schedule_loop kernel/sched/core.c:6813 [inline]) [<818996e0>] (__schedule) from [<8189a31c>] (schedule+0x2c/0xfc kernel/sched/core.c:6828) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:eb371d94 r5:8a71b000 r4:8a71b000 [<8189a2f0>] (schedule) from [<8189a92c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6885) r5:8a71b000 r4:82714be4 [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189a914>] (schedule_preempt_disabled) from [<8189d20c>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189cf24>] (__mutex_lock.constprop.0) from [<8189dad8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:eb371e20 r8:00000000 r7:ffffffff r6:00000000 r5:8a7050c0 r4:00000000 [<8189dac4>] (__mutex_lock_slowpath) from [<8189db18>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189dadc>] (mutex_lock) from [<8049c21c>] (_vm_unmap_aliases+0x60/0x2e8 mm/vmalloc.c:2788) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vm_reset_perms mm/vmalloc.c:3235 [inline]) [<8049c1bc>] (_vm_unmap_aliases) from [<804a00a0>] (vfree+0x170/0x1e4 mm/vmalloc.c:3314) r10:82c16005 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8a7050c0 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8a71b000 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f073000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:eb4b3000 [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_binary_free kernel/bpf/core.c:1104 [inline]) [<803912d8>] (bpf_jit_free_exec) from [<803914a8>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1228) [<80391440>] (bpf_jit_free) from [<80392590>] (bpf_prog_free_deferred+0x14c/0x164 kernel/bpf/core.c:2783) r5:8a676354 r4:8a676000 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:8a676354 r4:8a16e000 [<80266404>] (process_one_work) from [<802672e0>] (process_scheduled_works kernel/workqueue.c:3335 [inline]) [<80266404>] (process_one_work) from [<802672e0>] (worker_thread+0x1ec/0x418 kernel/workqueue.c:3416) r10:8a71b000 r9:8a16e02c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8a16e000 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eadb1e90 r8:844c76c0 r7:8a16e000 r6:802670f4 r5:8a71b000 r4:8a2b5040 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeb371fb0 to 0xeb371ff8) 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 r5:8026fef0 r4:8a2b5040 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 1 CPU: 1 PID: 31 Comm: khungtaskd Not tainted 6.8.0-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<81877f5c>] (dump_backtrace) from [<81878058>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000113 r5:60000193 r4:81fc441c [<81878040>] (show_stack) from [<81895810>] (__dump_stack lib/dump_stack.c:88 [inline]) [<81878040>] (show_stack) from [<81895810>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:114) [<818957a0>] (dump_stack_lvl) from [<81895834>] (dump_stack+0x18/0x1c lib/dump_stack.c:123) r5:00000001 r4:00000001 [<8189581c>] (dump_stack) from [<81865334>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<818651d4>] (nmi_cpu_backtrace) from [<81865480>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8260c590 r5:8261a88c r4:ffffffff [<81865350>] (nmi_trigger_cpumask_backtrace) from [<802105b4>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:8260c6f4 r8:00010da9 r7:8289dfe0 r6:00007d4b r5:8a4bbe04 r4:96fc4524 [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034e880>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034e880>] (check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]) [<8021059c>] (arch_trigger_cpumask_backtrace) from [<8034e880>] (watchdog+0x480/0x594 kernel/hung_task.c:380) [<8034e400>] (watchdog) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df819e58 r8:82e92700 r7:00000000 r6:8034e400 r5:82e9bc00 r4:82f79e80 [<8026fef0>] (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 r5:8026fef0 r4:82f79e80 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 14059 Comm: dhcpcd-run-hook Not tainted 6.8.0-syzkaller #0 Hardware name: ARM-Versatile Express PC is at 0x76d09d54 LR is at 0x76e2b944 pc : [<76d09d54>] lr : [<76e2b944>] psr: 40000010 sp : 7ed077f0 ip : 76ec7bac fp : 7ed07a18 r10: 76ec85f4 r9 : 00000000 r8 : 76ec794c r7 : 01834990 r6 : 018303cc r5 : 018349f4 r4 : 0183548c r3 : 00000010 r2 : 0000006c r1 : 0183547c r0 : 01834c84 Flags: nZcv IRQs on FIQs on Mode USER_32 ISA ARM Segment user Control: 30c5387d Table: 844c9380 DAC: fffffffd Backtrace: invalid frame pointer 0x7ed07a18