INFO: task kworker/0:9:4147 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:9 state:D stack:0 pid:4147 tgid:4147 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea305d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea305d8c r5:83adb000 r4:83adb000 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83adb000 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea305e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b08fc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:83adb000 r7:00000000 r6:83018400 r5:00001000 r4:7f06b000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea8cb000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c3178c r4:858e2d80 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c3178c r4:858e2d80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:83adb000 r8:858e2dac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:858e2d80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858e2d80 r8:80278fec r7:ea35de60 r6:858e2e00 r5:83adb000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea305fb0 to 0xea305ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:858f4d80 INFO: task kworker/0:9:4147 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: d9712000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 INFO: task kworker/0:10:4152 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:10 state:D stack:0 pid:4152 tgid:4152 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea46dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea46dd8c r5:8320e000 r4:8320e000 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8320e000 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea46de08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85947740 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8320e000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eacb5000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85b9b38c r4:858e2d00 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85b9b38c r4:858e2d00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8320e000 r8:858e2d2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:858e2d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858e2d00 r8:80278fec r7:ea35de60 r6:85727480 r5:8320e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea46dfb0 to 0xea46dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85a69b40 INFO: task kworker/0:10:4152 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: d9aeb000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 INFO: task kworker/0:12:4157 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:12 state:D stack:0 pid:4157 tgid:4157 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:e82c5d84 r9:00000002 r8:60000113 r7:829171a0 r6:e82c5d8c r5:857e0000 r4:857e0000 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857e0000 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e82c5e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b08340 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857e0000 r7:00000000 r6:83018400 r5:00001000 r4:7f069000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea7b7000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:856bbf8c r4:858e2f80 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:856bbf8c r4:858e2f80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857e0000 r8:858e2fac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:858e2f80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858e2f80 r8:80278fec r7:ea441e60 r6:858e2c80 r5:857e0000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe82c5fb0 to 0xe82c5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:858f20c0 INFO: task kworker/0:12:4157 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: db72a000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 INFO: task kworker/0:13:4167 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:13 state:D stack:0 pid:4167 tgid:4167 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea54dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea54dd8c r5:857e0c00 r4:857e0c00 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857e0c00 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea54de08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858dd8c0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857e0c00 r7:00000000 r6:83018400 r5:00001000 r4:7f055000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfad9000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1e78c r4:858cfb80 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1e78c r4:858cfb80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857e0c00 r8:858cfbac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:858cfb80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858cfb80 r8:80278fec r7:ea441e60 r6:858b8d00 r5:857e0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea54dfb0 to 0xea54dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:858f2e40 INFO: task kworker/0:13:4167 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: dba80000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 INFO: task kworker/0:14:4168 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:14 state:D stack:0 pid:4168 tgid:4168 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea4d5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea4d5d8c r5:83303c00 r4:83303c00 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83303c00 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea4d5e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858dd140 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:83303c00 r7:00000000 r6:83018400 r5:00001000 r4:7f047000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa5d000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1eb8c r4:858b8d80 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1eb8c r4:858b8d80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:83303c00 r8:858b8dac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:858b8d80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:858b8d80 r8:80278fec r7:ea441e60 r6:858b8800 r5:83303c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea4d5fb0 to 0xea4d5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:858f2780 INFO: task kworker/0:14:4168 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: dba80000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 INFO: task kworker/0:62:4503 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:62 state:D stack:0 pid:4503 tgid:4503 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea3f5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea3f5d8c r5:85a13000 r4:85a13000 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85a13000 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea3f5e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b15740 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85a13000 r7:00000000 r6:83018400 r5:00001000 r4:7f077000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ead05000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85e6eb8c r4:85b0c180 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85e6eb8c r4:85b0c180 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85a13000 r8:85b0c1ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b0c180 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b0c180 r8:80278fec r7:ea3f1e60 r6:85b06000 r5:85a13000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3f5fb0 to 0xea3f5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b10fc0 INFO: task kworker/0:62:4503 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: dba80000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 INFO: task kworker/0:64:4507 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:64 state:D stack:0 pid:4507 tgid:4507 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea405d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea405d8c r5:857c0c00 r4:857c0c00 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857c0c00 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea405e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855a4bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857c0c00 r7:00000000 r6:83018400 r5:00001000 r4:7f057000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0177000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85b9bb8c r4:85b0c280 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85b9bb8c r4:85b0c280 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857c0c00 r8:85b0c2ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b0c280 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b0c280 r8:80278fec r7:ea3f5e60 r6:85b06200 r5:857c0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea405fb0 to 0xea405ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b10f00 INFO: task kworker/0:64:4507 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: dba80000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 INFO: task kworker/0:65:4509 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:65 state:D stack:0 pid:4509 tgid:4509 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea43dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea43dd8c r5:857c1800 r4:857c1800 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857c1800 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea43de08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858e3c80 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:857c1800 r7:00000000 r6:83018400 r5:00001000 r4:7f067000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea681000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1ef8c r4:85b0c300 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1ef8c r4:85b0c300 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:857c1800 r8:85b0c32c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b0c300 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b0c300 r8:80278fec r7:ea3f5e60 r6:85b06280 r5:857c1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea43dfb0 to 0xea43dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b0b6c0 INFO: task kworker/0:65:4509 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: dba80000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 INFO: task kworker/0:66:4511 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:66 state:D stack:0 pid:4511 tgid:4511 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea32dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea32dd8c r5:85baec00 r4:85baec00 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85baec00 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea32de08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85c83b00 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85baec00 r7:00000000 r6:83018400 r5:00001000 r4:7f06d000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea9a5000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85712b8c r4:85b0c380 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85712b8c r4:85b0c380 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85baec00 r8:85b0c3ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b0c380 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b0c380 r8:80278fec r7:ea43de60 r6:85b0c400 r5:85baec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea32dfb0 to 0xea32dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b08700 INFO: task kworker/0:66:4511 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: dba80000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 INFO: task kworker/0:67:4513 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:67 state:D stack:0 pid:4513 tgid:4513 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea359d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea359d8c r5:85bae000 r4:85bae000 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85bae000 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea359e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85640b00 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85bae000 r7:00000000 r6:83018400 r5:00001000 r4:7f075000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eacd9000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c3078c r4:85b0c480 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c3078c r4:85b0c480 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85bae000 r8:85b0c4ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b0c480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b0c480 r8:80278fec r7:ea43de60 r6:85b0c500 r5:85bae000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea359fb0 to 0xea359ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b10800 INFO: task kworker/0:67:4513 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: dba80000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:68:4516 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:68 state:D stack:0 pid:4516 tgid:4516 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea381d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea381d8c r5:85babc00 r4:85babc00 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85babc00 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea381e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8561dc00 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85babc00 r7:00000000 r6:83018400 r5:00001000 r4:7f04d000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfc01000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85b9ab8c r4:85b0c580 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85b9ab8c r4:85b0c580 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85babc00 r8:85b0c5ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b0c580 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b0c580 r8:80278fec r7:ea43de60 r6:85b0c600 r5:85babc00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea381fb0 to 0xea381ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b155c0 INFO: task kworker/0:68:4516 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: dfa71000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:69:4517 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:69 state:D stack:0 pid:4517 tgid:4517 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea369d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea369d8c r5:85bac800 r4:85bac800 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85bac800 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea369e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855a4340 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85bac800 r7:00000000 r6:83018400 r5:00001000 r4:7f051000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0091000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85b99b8c r4:85b0c680 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85b99b8c r4:85b0c680 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85bac800 r8:85b0c6ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b0c680 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b0c680 r8:80278fec r7:ea381e60 r6:85b0c700 r5:85bac800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea369fb0 to 0xea369ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b151c0 INFO: task kworker/0:69:4517 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: dfa71000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:70:4519 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:70 state:D stack:0 pid:4519 tgid:4519 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea38dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea38dd8c r5:85bad400 r4:85bad400 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85bad400 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea38de08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855a4e40 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85bad400 r7:00000000 r6:83018400 r5:00001000 r4:7f04f000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dffe1000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85b9b78c r4:85b0c800 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85b9b78c r4:85b0c800 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85bad400 r8:85b0c82c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b0c800 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b0c800 r8:80278fec r7:ea43de60 r6:85b0c880 r5:85bad400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea38dfb0 to 0xea38dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b15000 INFO: task kworker/0:70:4519 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: dfa71000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:71:4522 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:71 state:D stack:0 pid:4522 tgid:4522 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea3c5d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea3c5d8c r5:84948000 r4:84948000 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84948000 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea3c5e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85956000 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84948000 r7:00000000 r6:83018400 r5:00001000 r4:7f06f000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa49000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:83df778c r4:85b0c900 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:83df778c r4:85b0c900 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84948000 r8:85b0c92c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b0c900 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b0c900 r8:80278fec r7:ea43de60 r6:85b0ca00 r5:84948000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3c5fb0 to 0xea3c5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b15f80 INFO: task kworker/0:71:4522 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: dfa71000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:72:4524 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:72 state:D stack:0 pid:4524 tgid:4524 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea3c9d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea3c9d8c r5:84949800 r4:84949800 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84949800 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea3c9e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f2e00 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84949800 r7:00000000 r6:83018400 r5:00001000 r4:7f049000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:df9b3000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85b9a38c r4:85b0ca80 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85b9a38c r4:85b0ca80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84949800 r8:85b0caac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b0ca80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b0ca80 r8:80278fec r7:ea43de60 r6:85b0cb00 r5:84949800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3c9fb0 to 0xea3c9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:859294c0 INFO: task kworker/0:72:4524 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: dfa71000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:73:4527 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:73 state:D stack:0 pid:4527 tgid:4527 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea471d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea471d8c r5:84948c00 r4:84948c00 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84948c00 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea471e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8572a500 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84948c00 r7:00000000 r6:83018400 r5:00001000 r4:7f073000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eac53000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85b99f8c r4:85b0cc80 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85b99f8c r4:85b0cc80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:84948c00 r8:85b0ccac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b0cc80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b0cc80 r8:80278fec r7:ea43de60 r6:85b0cd00 r5:84948c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea471fb0 to 0xea471ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b17040 INFO: task kworker/0:73:4527 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: dfa71000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:74:4529 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:74 state:D stack:0 pid:4529 tgid:4529 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea491d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea491d8c r5:8494bc00 r4:8494bc00 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8494bc00 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea491e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b10f40 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494bc00 r7:00000000 r6:83018400 r5:00001000 r4:7f071000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eab61000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85b9838c r4:85b0cc00 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85b9838c r4:85b0cc00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494bc00 r8:85b0cc2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b0cc00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b0cc00 r8:80278fec r7:ea43de60 r6:85b0cd80 r5:8494bc00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea491fb0 to 0xea491ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b17640 INFO: task kworker/0:74:4529 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: dfa71000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:75:4530 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:75 state:D stack:0 pid:4530 tgid:4530 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea3cdd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea3cdd8c r5:8494c800 r4:8494c800 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8494c800 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea3cde08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85a6f3c0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494c800 r7:00000000 r6:83018400 r5:00001000 r4:7f04b000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb91000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85b9a78c r4:85b0ce00 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85b9a78c r4:85b0ce00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494c800 r8:85b0ce2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b0ce00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b0ce00 r8:80278fec r7:ea43de60 r6:85b0ce80 r5:8494c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3cdfb0 to 0xea3cdff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b17a80 INFO: task kworker/0:75:4530 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: dfc65000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:76:4532 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:76 state:D stack:0 pid:4532 tgid:4532 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea4b5d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea4b5d8c r5:8494d400 r4:8494d400 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8494d400 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea4b5e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85c8c4c0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494d400 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e4228000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1c78c r4:85b0cf00 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1c78c r4:85b0cf00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494d400 r8:85b0cf2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b0cf00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b0cf00 r8:80278fec r7:ea43de60 r6:85b0cf80 r5:8494d400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea4b5fb0 to 0xea4b5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b17b80 INFO: task kworker/0:76:4532 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: dfdb0000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:78:4555 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:78 state:D stack:0 pid:4555 tgid:4555 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea475d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea475d8c r5:8494a400 r4:8494a400 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8494a400 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea475e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858dda80 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494a400 r7:00000000 r6:83018400 r5:00001000 r4:7f057000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e018b000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1c38c r4:85b19200 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1c38c r4:85b19200 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494a400 r8:85b1922c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19200 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19200 r8:80278fec r7:ea395e60 r6:85b19280 r5:8494a400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea475fb0 to 0xea475ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b1a880 INFO: task kworker/0:78:4555 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: dff64000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:123:4558 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:123 state:D stack:0 pid:4558 tgid:4558 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea481d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea481d8c r5:85bc0c00 r4:85bc0c00 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85bc0c00 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea481e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b1e240 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85bc0c00 r7:00000000 r6:83018600 r5:00001000 r4:7f065000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea619000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:856b9b8c r4:85b06b00 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:856b9b8c r4:85b06b00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85bc0c00 r8:85b06b2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85b06b00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b06b00 r8:80278fec r7:ea3d5e60 r6:85b19500 r5:85bc0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea481fb0 to 0xea481ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85a662c0 INFO: task kworker/1:123:4558 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: e02b3000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:124:4560 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:124 state:D stack:0 pid:4560 tgid:4560 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea411d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea411d8c r5:85bc1800 r4:85bc1800 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85bc1800 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea411e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8591a100 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85bc1800 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea557000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85cbef8c r4:85b06b80 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85cbef8c r4:85b06b80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85bc1800 r8:85b06bac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85b06b80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b06b80 r8:80278fec r7:ea3d5e60 r6:85b19580 r5:85bc1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea411fb0 to 0xea411ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85a66f00 INFO: task kworker/1:124:4560 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: e02b3000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:125:4563 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:125 state:D stack:0 pid:4563 tgid:4563 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea415d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea415d8c r5:85bc2400 r4:85bc2400 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85bc2400 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea415e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b05800 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85bc2400 r7:00000000 r6:83018600 r5:00001000 r4:7f047000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa5b000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85cbd78c r4:85b06c00 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85cbd78c r4:85b06c00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85bc2400 r8:85b06c2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85b06c00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b06c00 r8:80278fec r7:ea481e60 r6:85b19600 r5:85bc2400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea415fb0 to 0xea415ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b04440 INFO: task kworker/1:125:4563 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: e02b3000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:127:4566 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:127 state:D stack:0 pid:4566 tgid:4566 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea44dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea44dd8c r5:85bb8c00 r4:85bb8c00 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85bb8c00 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea44de08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85c83c00 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85bb8c00 r7:00000000 r6:83018600 r5:00001000 r4:7f061000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea465000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c3138c r4:85b06f00 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85c3138c r4:85b06f00 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85bb8c00 r8:85b06f2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85b06f00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b06f00 r8:80278fec r7:ea47de60 r6:85b06f80 r5:85bb8c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea44dfb0 to 0xea44dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b08800 INFO: task kworker/1:127:4566 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: e039f000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:129:4572 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:129 state:D stack:0 pid:4572 tgid:4572 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea455d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea455d8c r5:85bbb000 r4:85bbb000 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85bbb000 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea455e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85c839c0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85bbb000 r7:00000000 r6:83018600 r5:00001000 r4:7f05f000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea3e3000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8567078c r4:85b06080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8567078c r4:85b06080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85bbb000 r8:85b060ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85b06080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b06080 r8:80278fec r7:ea451e60 r6:84ae9000 r5:85bbb000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea455fb0 to 0xea455ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b1aec0 INFO: task kworker/1:129:4572 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: e039f000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:166:4762 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:166 state:D stack:0 pid:4762 tgid:4762 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea719d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea719d8c r5:85c51800 r4:85c51800 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85c51800 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea719e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85907100 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85c51800 r7:00000000 r6:83018600 r5:00001000 r4:7f05b000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e8299000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85cbd38c r4:85b14c80 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85cbd38c r4:85b14c80 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85c51800 r8:85b14cac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85b14c80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b14c80 r8:80278fec r7:ea7e9e60 r6:85b14c00 r5:85c51800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea719fb0 to 0xea719ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b11800 INFO: task kworker/1:166:4762 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: e05c6000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:172:4802 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:172 state:D stack:0 pid:4802 tgid:4802 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea6c1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea6c1d8c r5:85bf9800 r4:85bf9800 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85bf9800 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea6c1e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85685e00 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85bf9800 r7:00000000 r6:83018600 r5:00001000 r4:7f05d000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea33f000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:856b978c r4:85b0d300 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:856b978c r4:85b0d300 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85bf9800 r8:85b0d32c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85b0d300 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b0d300 r8:80278fec r7:ea719e60 r6:85b0d380 r5:85bf9800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea6c1fb0 to 0xea6c1ff8) 1fa0: 00000000 00000000 00000000 00000000 1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:858f0bc0 INFO: task kworker/1:172:4802 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: e08aa000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:174:4807 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:174 state:D stack:0 pid:4807 tgid:4807 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea709d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea709d8c r5:85bfc800 r4:85bfc800 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85bfc800 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea709e08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85b05e40 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85bfc800 r7:00000000 r6:83018600 r5:00001000 r4:7f055000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfae5000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85cbff8c r4:85b0d500 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85cbff8c r4:85b0d500 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85bfc800 r8:85b0d52c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85b0d500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b0d500 r8:80278fec r7:ea719e60 r6:85b0d580 r5:85bfc800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea709fb0 to 0xea709ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b25540 INFO: task kworker/1:174:4807 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: e0a0d000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:175:4809 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:175 state:D stack:0 pid:4809 tgid:4809 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a64168>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a631d4>] (__schedule) from [<81a64168>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea7edd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea7edd8c r5:85bfd400 r4:85bfd400 [<81a6413c>] (schedule) from [<81a64550>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85bfd400 r4:8291719c [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64538>] (schedule_preempt_disabled) from [<81a67100>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66db0>] (__mutex_lock.constprop.0) from [<81a678a8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea7ede08 r4:00000000 [<81a67894>] (__mutex_lock_slowpath) from [<81a678e8>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a678ac>] (mutex_lock) from [<804e9dd4>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8591a700 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85bfd400 r7:00000000 r6:83018600 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:df9d5000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85cbf38c r4:85b0d600 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85cbf38c r4:85b0d600 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:85bfd400 r8:85b0d62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85b0d600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b0d600 r8:80278fec r7:ea719e60 r6:85b0d680 r5:85bfd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea7edfb0 to 0xea7edff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85c86d80 INFO: task kworker/1:175:4809 is blocked on a mutex likely owned by task kworker/0:77:4542. task:kworker/0:77 state:R running task stack:0 pid:4542 tgid:4542 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a631d4>] (__schedule) from [<81a6459c>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:8494e000 r8:80200c04 r7:ea395d54 r6:ffffffff r5:8494e000 r4:00000000 [<81a6455c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea395d20 to 0xea395d68) 5d20: e0a0d000 ebf2d000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 5d40: 7f045000 ebf2d000 8280c9b4 ea395d9c ea395da0 ea395d70 80230af0 80239c10 5d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9b98>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9914>] (__purge_vmap_area_lazy) from [<804e9f50>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea395dc0 r5:ea395e08 r4:ea395dc0 [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9d6c>] (_vm_unmap_aliases) from [<804edbb4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84986bc0 r4:00000000 [<804eda48>] (vfree) from [<805588a0>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8494e000 r7:00000000 r6:83018400 r5:00001000 r4:7f045000 [<80558870>] (execmem_free) from [<803c5dd0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0121000 [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5dc0>] (bpf_jit_free_exec) from [<803c61b0>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6148>] (bpf_jit_free) from [<803c7258>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85c1f38c r4:85b19080 [<803c7118>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85c1f38c r4:85b19080 [<802783ec>] (process_one_work) from [<802791e8>] (process_scheduled_works kernel/workqueue.c:3346 [inline]) [<802783ec>] (process_one_work) from [<802791e8>] (worker_thread+0x1fc/0x3d8 kernel/workqueue.c:3427) r10:61c88647 r9:8494e000 r8:85b190ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85b19080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85b19080 r8:80278fec r7:ea4b5e60 r6:85b19100 r5:8494e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea395fb0 to 0xea395ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85b102c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:00000013 r5:60000093 r4:822523c8 [<80201b08>] (show_stack) from [<8021f93c>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201b08>] (show_stack) from [<8021f93c>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<8021f8cc>] (dump_stack_lvl) from [<8021f960>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000000 r4:00000001 [<8021f948>] (dump_stack) from [<81a4cdec>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a4cc8c>] (nmi_cpu_backtrace) from [<81a4cf38>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8280c690 r5:8281ae34 r4:ffffffff [<81a4ce08>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:8281ba28 r8:8280c810 r7:000262f1 r6:00007b87 r5:82abf7d4 r4:8612940c [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037f940>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037f940>] (check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037f940>] (watchdog+0x5d0/0x850 kernel/hung_task.c:495) [<8037f370>] (watchdog) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:00000000 r8:8037f370 r7:83844000 r6:83844000 r5:832e2400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf8d9fb0 to 0xdf8d9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:833c9900 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 2817 Comm: pr/ttyAMA-1 Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express PC is at __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] PC is at _raw_spin_unlock_irqrestore+0x28/0x54 kernel/locking/spinlock.c:194 LR is at spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] LR is at __uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline] LR is at pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603 pc : [<81a6d03c>] lr : [<80a8ee28>] psr: 60000013 sp : eaea9eb0 ip : eaea9ec0 fp : eaea9ebc r10: 82959554 r9 : 00000001 r8 : 00000000 r7 : 00000117 r6 : 829594b8 r5 : 00000000 r4 : 00000001 r3 : 00000c70 r2 : 00000000 r1 : 60000013 r0 : 84b2d040 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 8545ddc0 DAC: 00000000 Call trace: [<81a6d014>] (_raw_spin_unlock_irqrestore) from [<80a8ee28>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81a6d014>] (_raw_spin_unlock_irqrestore) from [<80a8ee28>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81a6d014>] (_raw_spin_unlock_irqrestore) from [<80a8ee28>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80a8ee08>] (pl011_console_device_unlock) from [<802e3600>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1142) [<802e3578>] (nbcon_emit_one) from [<802e3820>] (nbcon_kthread_func+0x1a8/0x2a4 kernel/printk/nbcon.c:1229) r6:8280c690 r5:83ad0c00 r4:829594b8 [<802e3678>] (nbcon_kthread_func) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:829594b8 r8:802e3678 r7:84270e00 r6:84270e00 r5:83ad0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaea9fb0 to 0xeaea9ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:846a2980