INFO: task kworker/0:10:13069 blocked for more than 430 seconds. Not tainted 6.9.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:10 state:D stack:0 pid:13069 tgid:13069 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:e8bc1d94 r5:82e2c800 r4:82e2c800 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:82e2c800 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:e8bc1e20 r8:00000000 r7:ffffffff r6:00000000 r5:8d30ea80 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 r5:8d30ea80 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:82e2c800 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f031000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfa7d000 [<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) r5:8eb91f54 r4:8eb91c00 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:8eb91f54 r4:8c5f4d00 [<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) r10:82e2c800 r9:8c5f4d2c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8c5f4d00 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfea9e90 r8:8c494200 r7:8c5f4d00 r6:80267134 r5:82e2c800 r4:88eaca40 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe8bc1fb0 to 0xe8bc1ff8) 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 r4:88eaca40 INFO: task kworker/0:38:16950 blocked for more than 430 seconds. Not tainted 6.9.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:38 state:D stack:0 pid:16950 tgid:16950 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:dfed1d94 r5:84ab0000 r4:84ab0000 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:84ab0000 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:dfed1e20 r8:00000000 r7:ffffffff r6:00000000 r5:8c4f2440 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 r5:8c4f2440 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84ab0000 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f02d000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfcd1000 [<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) r5:84be6754 r4:84be6400 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:84be6754 r4:84946700 [<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) r10:84ab0000 r9:8494672c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:84946700 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfffde90 r8:88d9d500 r7:84946700 r6:80267134 r5:84ab0000 r4:88d9df40 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfed1fb0 to 0xdfed1ff8) 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 r4:88d9df40 INFO: task kworker/0:50:17246 blocked for more than 430 seconds. Not tainted 6.9.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:50 state:D stack:0 pid:17246 tgid:17246 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:df991d94 r5:8ea16000 r4:8ea16000 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:8ea16000 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:df991e20 r8:00000000 r7:ffffffff r6:00000000 r5:8ea23900 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 r5:8ea23900 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8ea16000 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f043000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e0775000 [<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) r5:8ea06b54 r4:8ea06800 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:8ea06b54 r4:8c45cb00 [<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) r10:8ea16000 r9:8c45cb2c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8c45cb00 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfccde90 r8:8ec2fb80 r7:8c45cb00 r6:80267134 r5:8ea16000 r4:8ec2fd80 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf991fb0 to 0xdf991ff8) 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 r4:8ec2fd80 INFO: task kworker/1:3:20551 blocked for more than 430 seconds. Not tainted 6.9.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:3 state:D stack:0 pid:20551 tgid:20551 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:e0025d94 r5:848f5400 r4:848f5400 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:848f5400 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:e0025e20 r8:00000000 r7:ffffffff r6:00000000 r5:8cf23580 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 r5:8cf23580 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:848f5400 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:dfa87000 [<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) r5:84bd9b54 r4:84bd9800 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:84bd9b54 r4:8ec1e480 [<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) r10:848f5400 r9:8ec1e4ac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:8ec1e480 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfbf5e90 r8:8cf23cc0 r7:8ec1e480 r6:80267134 r5:848f5400 r4:848561c0 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0025fb0 to 0xe0025ff8) 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 r4:848561c0 INFO: task kworker/1:5:20557 blocked for more than 430 seconds. Not tainted 6.9.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:5 state:D stack:0 pid:20557 tgid:20557 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:dfb21d94 r5:848f6c00 r4:848f6c00 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:848f6c00 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:dfb21e20 r8:00000000 r7:ffffffff r6:00000000 r5:8eba41c0 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 r5:8eba41c0 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:848f6c00 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f03f000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e006b000 [<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) r5:8ea05354 r4:8ea05000 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:8ea05354 r4:8ec1e700 [<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) r10:848f6c00 r9:8ec1e72c r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:8ec1e700 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0025e90 r8:8cf23440 r7:8ec1e700 r6:80267134 r5:848f6c00 r4:8c562500 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfb21fb0 to 0xdfb21ff8) 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 r4:8c562500 INFO: task kworker/1:6:20588 blocked for more than 430 seconds. Not tainted 6.9.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:6 state:D stack:0 pid:20588 tgid:20588 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:dfb51d94 r5:83e30c00 r4:83e30c00 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:83e30c00 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:dfb51e20 r8:00000000 r7:ffffffff r6:00000000 r5:8eba4b40 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 r5:8eba4b40 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83e30c00 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f041000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e00f7000 [<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) r5:84be6b54 r4:84be6800 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:84be6b54 r4:8ec1ea00 [<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) r10:83e30c00 r9:8ec1ea2c r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:8ec1ea00 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfb21e90 r8:8c4d3bc0 r7:8ec1ea00 r6:80267134 r5:83e30c00 r4:88d9c440 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfb51fb0 to 0xdfb51ff8) 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 r4:88d9c440 INFO: task kworker/1:7:20611 blocked for more than 430 seconds. Not tainted 6.9.0-rc1-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:7 state:D stack:0 pid:20611 tgid:20611 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:dfec9d94 r5:83e33c00 r4:83e33c00 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:83e33c00 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:dfec9e20 r8:00000000 r7:ffffffff r6:00000000 r5:8c4d3b80 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 r5:8c4d3b80 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83e33c00 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f03d000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dff59000 [<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) r5:84be6354 r4:84be6000 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:84be6354 r4:8ec1e980 [<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) r10:83e33c00 r9:8ec1e9ac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:8ec1e980 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfb51e90 r8:8eba4a40 r7:8ec1e980 r6:80267134 r5:83e33c00 r4:8c4aa900 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfec9fb0 to 0xdfec9ff8) 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 r4:8c4aa900 NMI backtrace for cpu 0 CPU: 0 PID: 31 Comm: khungtaskd Not tainted 6.9.0-rc1-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 r6:00000013 r5:60000093 r4:81fc4710 [<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 r8:0002b0f7 r7:8289dfe0 r6:00007eb7 r5:84ad1a04 r4:8437d124 [<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 r8:82e98440 r7:00000000 r6:8034e628 r5:82ee1800 r4:82f42100 [<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 r4:82f42100 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 24007 Comm: syz-executor.1 Not tainted 6.9.0-rc1-syzkaller #0 Hardware name: ARM-Versatile Express PC is at mmioset+0x48/0xac arch/arm/lib/memset.S:51 LR is at 0x0 pc : [<8184b0e8>] lr : [<00000000>] psr: 80000013 sp : dfc39da0 ip : 84256ca0 fp : dfc39df4 r10: dfc39da8 r9 : 00000060 r8 : 00000000 r7 : a0000013 r6 : 84ab5400 r5 : 00000cc0 r4 : 82c99300 r3 : 00000000 r2 : ffffffe0 r1 : 00000000 r0 : 84256c60 Flags: Nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 8c468480 DAC: 00000000 Call trace: [<804b59d0>] (kmem_cache_alloc) from [<8023fcbc>] (vm_area_dup+0x24/0x104 kernel/fork.c:482) r10:8308e4f8 r9:84256660 r8:8c569500 r7:dfc39ea4 r6:8cc3f780 r5:82858cec r4:8cc3f780 [<8023fc98>] (vm_area_dup) from [<802420ac>] (dup_mmap kernel/fork.c:697 [inline]) [<8023fc98>] (vm_area_dup) from [<802420ac>] (dup_mm kernel/fork.c:1687 [inline]) [<8023fc98>] (vm_area_dup) from [<802420ac>] (copy_mm kernel/fork.c:1736 [inline]) [<8023fc98>] (vm_area_dup) from [<802420ac>] (copy_process+0x1a1c/0x1fac kernel/fork.c:2389) r7:dfc39ea4 r6:84ab5400 r5:00000008 r4:8cc3f780 [<80240690>] (copy_process) from [<8024277c>] (kernel_clone+0xac/0x3cc kernel/fork.c:2796) r10:00000078 r9:00000000 r8:00000000 r7:84ab5400 r6:dfc39f30 r5:00000000 r4:01200000 [<802426d0>] (kernel_clone) from [<80242e50>] (__do_sys_clone kernel/fork.c:2939 [inline]) [<802426d0>] (kernel_clone) from [<80242e50>] (sys_clone+0x78/0x9c kernel/fork.c:2907) r10:00000078 r9:84ab5400 r8:80200288 r7:00000000 r6:00000000 r5:00000000 r4:01200000 [<80242dd8>] (sys_clone) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66) Exception stack(0xdfc39fa8 to 0xdfc39ff0) 9fa0: 01b17068 00000001 01200011 00000000 00000000 00000000 9fc0: 01b17068 00000001 00000000 00000078 00000000 000000f8 7eec7670 0011c000 9fe0: 01b17500 7eec74d4 01b17000 0004c8bc r7:00000078 r6:00000000 r5:00000001 r4:01b17068