INFO: task kworker/0:19:7145 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/0:19 state:D stack:0 pid:7145 tgid:7145 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8189a2a0>] (__schedule) from [<8189aedc>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a2a0>] (__schedule) from [<8189aedc>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:dfc19d94 r5:86dcc800 r4:86dcc800 [<8189aeb0>] (schedule) from [<8189b4ec>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:86dcc800 r4:82714be4 [<8189b4d4>] (schedule_preempt_disabled) from [<8189ddcc>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b4d4>] (schedule_preempt_disabled) from [<8189ddcc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dae4>] (__mutex_lock.constprop.0) from [<8189e698>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dfc19e20 r8:00000001 r7:89495000 r6:89496000 r5:84498e40 r4:00000000 [<8189e684>] (__mutex_lock_slowpath) from [<8189e6d8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e69c>] (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 r8:00000001 r7:89495000 r6:89496000 r5:84498e40 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:86dcc800 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f236000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e077b000 [<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) r5:89434354 r4:89434000 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:89434354 r4:847f0680 [<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) r10:86dcc800 r9:847f06ac r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:847f0680 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfbf9e90 r8:894038c0 r7:847f0680 r6:802670f4 r5:86dcc800 r4:86e10b00 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdfc19fb0 to 0xdfc19ff8) 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 r4:86e10b00 INFO: task kworker/0:23:7190 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/0:23 state:D stack:0 pid:7190 tgid:7190 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8189a2a0>] (__schedule) from [<8189aedc>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a2a0>] (__schedule) from [<8189aedc>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:e09f5d94 r5:83f32400 r4:83f32400 [<8189aeb0>] (schedule) from [<8189b4ec>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:83f32400 r4:82714be4 [<8189b4d4>] (schedule_preempt_disabled) from [<8189ddcc>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b4d4>] (schedule_preempt_disabled) from [<8189ddcc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dae4>] (__mutex_lock.constprop.0) from [<8189e698>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e09f5e20 r8:00000001 r7:89619000 r6:8961a000 r5:8d0ead00 r4:00000000 [<8189e684>] (__mutex_lock_slowpath) from [<8189e6d8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e69c>] (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 r8:00000001 r7:89619000 r6:8961a000 r5:8d0ead00 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:83f32400 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f23c000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e09d9000 [<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) r5:86d0bb54 r4:86d0b800 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:86d0bb54 r4:847f0300 [<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) r10:83f32400 r9:847f032c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:847f0300 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfc19e90 r8:8964c0c0 r7:847f0300 r6:802670f4 r5:83f32400 r4:8964c040 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe09f5fb0 to 0xe09f5ff8) 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 r4:8964c040 INFO: task kworker/1:27:7250 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/1:27 state:D stack:0 pid:7250 tgid:7250 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8189a2a0>] (__schedule) from [<8189aedc>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a2a0>] (__schedule) from [<8189aedc>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:dff15d94 r5:86dc9800 r4:86dc9800 [<8189aeb0>] (schedule) from [<8189b4ec>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:86dc9800 r4:82714be4 [<8189b4d4>] (schedule_preempt_disabled) from [<8189ddcc>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b4d4>] (schedule_preempt_disabled) from [<8189ddcc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dae4>] (__mutex_lock.constprop.0) from [<8189e698>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:dff15e20 r8:00000001 r7:8d89d000 r6:8d89e000 r5:8df9f500 r4:00000000 [<8189e684>] (__mutex_lock_slowpath) from [<8189e6d8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e69c>] (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 r8:00000001 r7:8d89d000 r6:8d89e000 r5:8df9f500 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:86dc9800 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f240000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e0a5b000 [<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) r5:86c5af54 r4:86c5ac00 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:86c5af54 r4:8d89a200 [<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) r10:86dc9800 r9:8d89a22c r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:8d89a200 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dff1de90 r8:8d0e2f40 r7:8d89a200 r6:802670f4 r5:86dc9800 r4:8da9f300 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdff15fb0 to 0xdff15ff8) 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 r4:8da9f300 INFO: task kworker/0:24:7270 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/0:24 state:D stack:0 pid:7270 tgid:7270 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8189a2a0>] (__schedule) from [<8189aedc>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a2a0>] (__schedule) from [<8189aedc>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:dffe5d94 r5:836c3c00 r4:836c3c00 [<8189aeb0>] (schedule) from [<8189b4ec>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:836c3c00 r4:82714be4 [<8189b4d4>] (schedule_preempt_disabled) from [<8189ddcc>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b4d4>] (schedule_preempt_disabled) from [<8189ddcc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dae4>] (__mutex_lock.constprop.0) from [<8189e698>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:dffe5e20 r8:00000001 r7:8969f000 r6:896a0000 r5:86d19980 r4:00000000 [<8189e684>] (__mutex_lock_slowpath) from [<8189e6d8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e69c>] (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 r8:00000001 r7:8969f000 r6:896a0000 r5:86d19980 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:836c3c00 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f238000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e07ab000 [<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) r5:86c4bf54 r4:86c4bc00 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:86c4bf54 r4:8d889180 [<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) r10:836c3c00 r9:8d8891ac r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:8d889180 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dfc19e90 r8:8da9f440 r7:8d889180 r6:802670f4 r5:836c3c00 r4:8da9f940 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdffe5fb0 to 0xdffe5ff8) 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 r4:8da9f940 INFO: task kworker/1:29:7287 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/1:29 state:D stack:0 pid:7287 tgid:7287 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8189a2a0>] (__schedule) from [<8189aedc>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a2a0>] (__schedule) from [<8189aedc>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:df9cdd94 r5:836b2400 r4:836b2400 [<8189aeb0>] (schedule) from [<8189b4ec>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:836b2400 r4:82714be4 [<8189b4d4>] (schedule_preempt_disabled) from [<8189ddcc>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b4d4>] (schedule_preempt_disabled) from [<8189ddcc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dae4>] (__mutex_lock.constprop.0) from [<8189e698>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df9cde20 r8:00000001 r7:8d774000 r6:8d775000 r5:8df9f740 r4:00000000 [<8189e684>] (__mutex_lock_slowpath) from [<8189e6d8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e69c>] (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 r8:00000001 r7:8d774000 r6:8d775000 r5:8df9f740 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:836b2400 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f242000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e8b19000 [<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) r5:86cfc754 r4:86cfc400 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:86cfc754 r4:8d89a400 [<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) r10:836b2400 r9:8d89a42c r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:8d89a400 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:dff15e90 r8:8d7965c0 r7:8d89a400 r6:802670f4 r5:836b2400 r4:8d0ea5c0 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf9cdfb0 to 0xdf9cdff8) 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 r4:8d0ea5c0 INFO: task kworker/1:31:7306 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/1:31 state:D stack:0 pid:7306 tgid:7306 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8189a2a0>] (__schedule) from [<8189aedc>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a2a0>] (__schedule) from [<8189aedc>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16205 r9:00000000 r8:82714be8 r7:00000002 r6:df9c9d94 r5:847a5400 r4:847a5400 [<8189aeb0>] (schedule) from [<8189b4ec>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:847a5400 r4:82714be4 [<8189b4d4>] (schedule_preempt_disabled) from [<8189ddcc>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b4d4>] (schedule_preempt_disabled) from [<8189ddcc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dae4>] (__mutex_lock.constprop.0) from [<8189e698>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16205 r9:df9c9e20 r8:00000001 r7:86d23000 r6:86d24000 r5:86c1d540 r4:00000000 [<8189e684>] (__mutex_lock_slowpath) from [<8189e6d8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e69c>] (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 r8:00000001 r7:86d23000 r6:86d24000 r5:86c1d540 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:847a5400 r8:00000180 r7:00000000 r6:82c16200 r5:00001000 r4:7f232000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e0769000 [<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) r5:86cfdb54 r4:86cfd800 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:ddde3f00 r6:82c16200 r5:86cfdb54 r4:89413b00 [<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) r10:847a5400 r9:89413b2c r8:61c88647 r7:ddde3f20 r6:82604d40 r5:ddde3f00 r4:89413b00 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:df9cde90 r8:8448a4c0 r7:89413b00 r6:802670f4 r5:847a5400 r4:86f2b400 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xdf9c9fb0 to 0xdf9c9ff8) 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 r4:86f2b400 INFO: task kworker/0:27:7805 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/0:27 state:D stack:0 pid:7805 tgid:7805 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8189a2a0>] (__schedule) from [<8189aedc>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a2a0>] (__schedule) from [<8189aedc>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:e0689d94 r5:843c0000 r4:843c0000 [<8189aeb0>] (schedule) from [<8189b4ec>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:843c0000 r4:82714be4 [<8189b4d4>] (schedule_preempt_disabled) from [<8189ddcc>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b4d4>] (schedule_preempt_disabled) from [<8189ddcc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dae4>] (__mutex_lock.constprop.0) from [<8189e698>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e0689e20 r8:00000001 r7:84495000 r6:84496000 r5:894751c0 r4:00000000 [<8189e684>] (__mutex_lock_slowpath) from [<8189e6d8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e69c>] (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 r8:00000001 r7:84495000 r6:84496000 r5:894751c0 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:843c0000 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f23a000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e09ad000 [<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) r5:84518f54 r4:84518c00 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:84518f54 r4:86f0b080 [<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) r10:843c0000 r9:86f0b0ac r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:86f0b080 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e09f5e90 r8:86f64b40 r7:86f0b080 r6:802670f4 r5:843c0000 r4:86d30540 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe0689fb0 to 0xe0689ff8) 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 r4:86d30540 INFO: task kworker/0:28:7822 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/0:28 state:D stack:0 pid:7822 tgid:7822 ppid:2 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Backtrace: [<8189a2a0>] (__schedule) from [<8189aedc>] (__schedule_loop kernel/sched/core.c:6823 [inline]) [<8189a2a0>] (__schedule) from [<8189aedc>] (schedule+0x2c/0xfc kernel/sched/core.c:6838) r10:82c16005 r9:00000000 r8:82714be8 r7:00000002 r6:e09f9d94 r5:86dcd400 r4:86dcd400 [<8189aeb0>] (schedule) from [<8189b4ec>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:6895) r5:86dcd400 r4:82714be4 [<8189b4d4>] (schedule_preempt_disabled) from [<8189ddcc>] (__mutex_lock_common kernel/locking/mutex.c:684 [inline]) [<8189b4d4>] (schedule_preempt_disabled) from [<8189ddcc>] (__mutex_lock.constprop.0+0x2e8/0xae0 kernel/locking/mutex.c:752) [<8189dae4>] (__mutex_lock.constprop.0) from [<8189e698>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1040) r10:82c16005 r9:e09f9e20 r8:00000001 r7:8dde7000 r6:8dde8000 r5:8453d1c0 r4:00000000 [<8189e684>] (__mutex_lock_slowpath) from [<8189e6d8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:286) [<8189e69c>] (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 r8:00000001 r7:8dde7000 r6:8dde8000 r5:8453d1c0 r4:00000000 [<8049ff30>] (vfree) from [<802ed8e4>] (module_memfree+0x30/0x50 kernel/module/main.c:1189) r9:86dcd400 r8:00000080 r7:00000000 r6:82c16000 r5:00001000 r4:7f23e000 [<802ed8b4>] (module_memfree) from [<803912e8>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1058) r5:00001000 r4:e0a1f000 [<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) r5:86e97754 r4:86e97400 [<80392444>] (bpf_prog_free_deferred) from [<802665bc>] (process_one_work+0x1b8/0x508 kernel/workqueue.c:3254) r7:dddcff00 r6:82c16000 r5:86e97754 r4:86dfef00 [<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) r10:86dcd400 r9:86dfef2c r8:61c88647 r7:dddcff20 r6:82604d40 r5:dddcff00 r4:86dfef00 [<802670f4>] (worker_thread) from [<8026fff4>] (kthread+0x104/0x134 kernel/kthread.c:388) r10:00000000 r9:e0771e90 r8:8452ac40 r7:86dfef00 r6:802670f4 r5:86dcd400 r4:8452ff00 [<8026fef0>] (kthread) from [<80200104>] (ret_from_fork+0x14/0x30 arch/arm/kernel/entry-common.S:134) Exception stack(0xe09f9fb0 to 0xe09f9ff8) 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 r4:8452ff00 NMI backtrace for cpu 1 CPU: 1 PID: 31 Comm: khungtaskd Not tainted 6.8.0-syzkaller #0 Hardware name: ARM-Versatile Express Backtrace: [<81878b1c>] (dump_backtrace) from [<81878c18>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:256) r7:00000000 r6:00000113 r5:60000193 r4:81fc46f8 [<81878c00>] (show_stack) from [<818963d0>] (__dump_stack lib/dump_stack.c:88 [inline]) [<81878c00>] (show_stack) from [<818963d0>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:114) [<81896360>] (dump_stack_lvl) from [<818963f4>] (dump_stack+0x18/0x1c lib/dump_stack.c:123) r5:00000001 r4:00000001 [<818963dc>] (dump_stack) from [<81865ef4>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81865d94>] (nmi_cpu_backtrace) from [<81866040>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8260c590 r5:8261a88c r4:ffffffff [<81865f10>] (nmi_trigger_cpumask_backtrace) from [<802105b4>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:851) r9:8260c6f4 r8:0000f8ac r7:8289dfe0 r6:00007efe r5:86cb0204 r4:8d741a24 [<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 r8:82e983c0 r7:00000000 r6:8034e400 r5:82ee8c00 r4:82f42140 [<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 r4:82f42140 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 12038 Comm: syz-executor.1 Not tainted 6.8.0-syzkaller #0 Hardware name: ARM-Versatile Express PC is at ma_meta_end lib/maple_tree.c:927 [inline] PC is at ma_data_end lib/maple_tree.c:1420 [inline] PC is at mtree_range_walk lib/maple_tree.c:2771 [inline] PC is at mas_state_walk lib/maple_tree.c:3678 [inline] PC is at mas_walk+0x1cc/0x39c lib/maple_tree.c:4909 LR is at 0xdfa21ef0 pc : [<81858190>] lr : [] psr: 60000113 sp : dfa21ea8 ip : 84176c0c fp : dfa21eec r10: 1082ed81 r9 : 00000000 r8 : 0000001e r7 : 84176c04 r6 : 84176c00 r5 : 0011b150 r4 : 0011b150 r3 : 0000001f r2 : 00000000 r1 : 00000001 r0 : 84176c00 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 8d1d2240 DAC: fffffffd Backtrace: [<81857fc4>] (mas_walk) from [<80480370>] (lock_vma_under_rcu+0x60/0x150 mm/memory.c:5756) r10:00000007 r9:83f02700 r8:86cb0000 r7:0000020b r6:00000254 r5:0011b150 r4:dfa21fb0 [<80480310>] (lock_vma_under_rcu) from [<80215dc0>] (do_page_fault+0x1a0/0x3a8 arch/arm/mm/fault.c:284) r5:0011b150 r4:dfa21fb0 [<80215c20>] (do_page_fault) from [<802161b0>] (do_DataAbort+0x38/0xa8 arch/arm/mm/fault.c:558) r10:01fb0000 r9:00000210 r8:80215c20 r7:dfa21fb0 r6:0011b150 r5:0000020b r4:8261d120 [<80216178>] (do_DataAbort) from [<80200e3c>] (__dabt_usr+0x5c/0x60 arch/arm/kernel/entry-armv.S:427) Exception stack(0xdfa21fb0 to 0xdfa21ff8) 1fa0: 00000000 00000000 0011c000 0011b150 1fc0: 00000000 00000000 00000000 00000000 00000000 00000210 01fb0000 0011c000 1fe0: ffff0fff 7e8294e0 0004c4f4 0004c65c 60000010 ffffffff r8:824a9044 r7:86cb0000 r6:ffffffff r5:60000010 r4:0004c65c