INFO: task kworker/1:8:4769 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/1:8 state:D stack:0 pid:4769 tgid:4769 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:dfd65d94 r5:84413000 r4:84413000 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:84413000 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:dfd65e20 r8:00000001 r7:8f8e8000 r6:8f8e9000 r5:8c1bae00 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 r8:00000001 r7:8f8e8000 r6:8f8e9000 r5:8c1bae00 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:84413000 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f031000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:df983000 [<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) r5:8ca77f54 r4:8ca77c00 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:8ca77f54 r4:8c646d00 [<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) r10:84413000 r9:8c646d2c r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:8c646d00 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df9c5e90 r8:8c4cba40 r7:8c646d00 r6:80267134 r5:84413000 r4:8c4cbb40 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfd65fb0 to 0xdfd65ff8) 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 r4:8c4cbb40 INFO: task kworker/0:28:7780 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/0:28 state:D stack:0 pid:7780 tgid:7780 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:eacc5d94 r5:83630c00 r4:83630c00 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:83630c00 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:eacc5e20 r8:00000001 r7:8f8c3000 r6:8f8c4000 r5:8c81ba00 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 r8:00000001 r7:8f8c3000 r6:8f8c4000 r5:8c81ba00 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83630c00 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f037000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfc1d000 [<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) r5:8ca76b54 r4:8ca76800 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:8ca76b54 r4:8e051180 [<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) r10:83630c00 r9:8e0511ac r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8e051180 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e08ade90 r8:8c779000 r7:8e051180 r6:80267134 r5:83630c00 r4:8c047d80 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeacc5fb0 to 0xeacc5ff8) 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 r4:8c047d80 INFO: task kworker/0:29:7790 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/0:29 state:D stack:0 pid:7790 tgid:7790 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:dfb69d94 r5:8c1ca400 r4:8c1ca400 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:8c1ca400 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:dfb69e20 r8:00000001 r7:8c26d000 r6:8c26e000 r5:8e25e840 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 r8:00000001 r7:8c26d000 r6:8c26e000 r5:8e25e840 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8c1ca400 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f033000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfb85000 [<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) r5:8c4afb54 r4:8c4af800 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:8c4afb54 r4:8e051200 [<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) r10:8c1ca400 r9:8e05122c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8e051200 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eacc5e90 r8:8cf0bec0 r7:8e051200 r6:80267134 r5:8c1ca400 r4:8cf0bd40 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfb69fb0 to 0xdfb69ff8) 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 r4:8cf0bd40 INFO: task kworker/1:25:7809 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/1:25 state:D stack:0 pid:7809 tgid:7809 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:eaf71d94 r5:8346bc00 r4:8346bc00 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:8346bc00 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:eaf71e20 r8:00000001 r7:8f8e6000 r6:8f8e7000 r5:8c2697c0 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 r8:00000001 r7:8f8e6000 r6:8f8e7000 r5:8c2697c0 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:8346bc00 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f02b000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:df965000 [<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) r5:8c2a7754 r4:8c2a7400 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:8c2a7754 r4:84676b80 [<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) r10:8346bc00 r9:84676bac r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:84676b80 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfb39e90 r8:8c1bb180 r7:84676b80 r6:80267134 r5:8346bc00 r4:8c2392c0 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeaf71fb0 to 0xeaf71ff8) 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 r4:8c2392c0 INFO: task kworker/0:32:7845 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/0:32 state:D stack:0 pid:7845 tgid:7845 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:dfbcdd94 r5:841f6000 r4:841f6000 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:841f6000 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:dfbcde20 r8:00000001 r7:8c450000 r6:8c451000 r5:8c81b3c0 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 r8:00000001 r7:8c450000 r6:8c451000 r5:8c81b3c0 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:841f6000 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f035000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfbc5000 [<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) r5:8c4aff54 r4:8c4afc00 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:8c4aff54 r4:8e051800 [<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) r10:841f6000 r9:8e05182c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8e051800 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eacc5e90 r8:8c81b480 r7:8e051800 r6:80267134 r5:841f6000 r4:8e25e7c0 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfbcdfb0 to 0xdfbcdff8) 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 r4:8e25e7c0 INFO: task kworker/0:33:7850 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/0:33 state:D stack:0 pid:7850 tgid:7850 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:eb17dd94 r5:841f3c00 r4:841f3c00 [<8189b0f0>] (schedule) from [<8189b72c>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:841f3c00 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:eb17de20 r8:00000001 r7:8f8c0000 r6:8f8c1000 r5:8c81b100 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 r8:00000001 r7:8f8c0000 r6:8f8c1000 r5:8c81b100 r4:00000000 [<804a0158>] (vfree) from [<802ed970>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:841f3c00 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f04d000 [<802ed940>] (module_memfree) from [<80391510>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:dfc81000 [<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) r5:8ca75b54 r4:8ca75800 [<8039266c>] (bpf_prog_free_deferred) from [<802665fc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:8ca75b54 r4:8e051900 [<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) r10:841f3c00 r9:8e05192c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8e051900 [<80267134>] (worker_thread) from [<80270034>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:eb0b1e90 r8:8c81bc40 r7:8e051900 r6:80267134 r5:841f3c00 r4:8e25e280 [<8026ff30>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xeb17dfb0 to 0xeb17dff8) 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 r4:8e25e280 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 r6:00000113 r5:60000193 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 r8:00011267 r7:8289dfe0 r6:00007f00 r5:847ab204 r4:84132024 [<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 r4:82f420c0 [<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 r4:82f420c0 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 10684 Comm: syz-executor.1 Not tainted 6.9.0-rc1-syzkaller #0 Hardware name: ARM-Versatile Express PC is at __do_sys_clock_nanosleep_time32 kernel/time/posix-timers.c:1424 [inline] PC is at sys_clock_nanosleep_time32+0xf8/0x154 kernel/time/posix-timers.c:1401 LR is at debug_smp_processor_id+0x20/0x24 lib/smp_processor_id.c:60 pc : [<803097bc>] lr : [<81897b30>] psr: 60000013 sp : dfca1f68 ip : 828bc414 fp : dfca1fa4 r10: 00000109 r9 : 84415400 r8 : 7edd0534 r7 : 84415400 r6 : 00000000 r5 : 81a04f98 r4 : 00000000 r3 : 84415400 r2 : 00000000 r1 : 00000000 r0 : 00000000 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 8c716240 DAC: 00000000 Call trace: [<803096c4>] (sys_clock_nanosleep_time32) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:66) Exception stack(0xdfca1fa8 to 0xdfca1ff0) 1fa0: 00000000 7edd0534 00000000 00000000 7edd053c 7edd0534 1fc0: 00000000 7edd0534 00000000 00000109 00000000 00000000 7edd0670 00000083 1fe0: 00000000 7edd0530 00000001 0007ad28 r8:80200288 r7:00000109 r6:00000000 r5:7edd0534 r4:00000000