INFO: task kworker/1:33:13564 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:33 state:D stack:0 pid:13564 tgid:13564 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea3b1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea3b1d8c r5:8490d400 r4:8490d400 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8490d400 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea3b1e08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85c302c0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8490d400 r7:00000000 r6:83018600 r5:00001000 r4:7f266000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfff5000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8675a38c r4:85437000 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8675a38c r4:85437000 [<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 r9:8490d400 r8:8543702c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85437000 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85437000 r8:80278fec r7:ea345e60 r6:84f6ca00 r5:8490d400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3b1fb0 to 0xea3b1ff8) 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 r4:867b7100 INFO: task kworker/1:33:13564 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c3ca0000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 INFO: task kworker/1:37:13569 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:37 state:D stack:0 pid:13569 tgid:13569 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea3f5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea3f5d8c r5:83b58000 r4:83b58000 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83b58000 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea3f5e08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86216680 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83b58000 r7:00000000 r6:83018600 r5:00001000 r4:7f25e000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dff3c000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8675838c r4:85437300 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8675838c r4:85437300 [<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 r9:83b58000 r8:8543732c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85437300 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85437300 r8:80278fec r7:ea3b1e60 r6:84f6cb80 r5:83b58000 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 r4:867b7a80 INFO: task kworker/1:37:13569 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c3ca0000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 INFO: task kworker/1:39:13589 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:39 state:D stack:0 pid:13589 tgid:13589 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea581d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea581d8c r5:8490e000 r4:8490e000 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8490e000 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea581e08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:86216380 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8490e000 r7:00000000 r6:83018600 r5:00001000 r4:7f25a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfc11000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8675978c r4:85437f00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8675978c r4:85437f00 [<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 r9:8490e000 r8:85437f2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85437f00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85437f00 r8:80278fec r7:ea3f5e60 r6:84f6ce00 r5:8490e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea581fb0 to 0xea581ff8) 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 r4:85955c40 INFO: task kworker/1:39:13589 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c3ca0000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 INFO: task kworker/1:40:13590 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:40 state:D stack:0 pid:13590 tgid:13590 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea559d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea559d8c r5:8490bc00 r4:8490bc00 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8490bc00 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea559e08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:867b7fc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8490bc00 r7:00000000 r6:83018600 r5:00001000 r4:7f236000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa1b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8548d38c r4:85437e00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8548d38c r4:85437e00 [<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 r9:8490bc00 r8:85437e2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85437e00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85437e00 r8:80278fec r7:ea581e60 r6:84f6ce80 r5:8490bc00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea559fb0 to 0xea559ff8) 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 r4:85955c40 INFO: task kworker/1:40:13590 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c3ca0000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 INFO: task kworker/1:43:13593 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:43 state:D stack:0 pid:13593 tgid:13593 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea549d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea549d8c r5:83b1c800 r4:83b1c800 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83b1c800 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea549e08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858ee400 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83b1c800 r7:00000000 r6:83018600 r5:00001000 r4:7f254000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfbe3000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8675bf8c r4:85437f80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8675bf8c r4:85437f80 [<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 r9:83b1c800 r8:85437fac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85437f80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85437f80 r8:80278fec r7:ea559e60 r6:84f6cf80 r5:83b1c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea549fb0 to 0xea549ff8) 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 r4:85a06680 INFO: task kworker/1:43:13593 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c3ca0000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 INFO: task kworker/0:42:13594 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:42 state:D stack:0 pid:13594 tgid:13594 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea5a9d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea5a9d8c r5:861c6c00 r4:861c6c00 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:861c6c00 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea5a9e08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8613ff40 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:861c6c00 r7:00000000 r6:83018400 r5:00001000 r4:7f230000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb3b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8548ff8c r4:84f6cf00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8548ff8c r4:84f6cf00 [<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 r9:861c6c00 r8:84f6cf2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84f6cf00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84f6cf00 r8:80278fec r7:e826de60 r6:85437780 r5:861c6c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea5a9fb0 to 0xea5a9ff8) 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 r4:85452c80 INFO: task kworker/0:42:13594 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c3ca0000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 INFO: task kworker/1:52:13600 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:52 state:D stack:0 pid:13600 tgid:13600 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea63dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea63dd8c r5:861c5400 r4:861c5400 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:861c5400 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea63de08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8613f780 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:861c5400 r7:00000000 r6:83018600 r5:00001000 r4:7f252000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb9d000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:86758b8c r4:85437b00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:86758b8c r4:85437b00 [<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 r9:861c5400 r8:85437b2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85437b00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85437b00 r8:80278fec r7:ea549e60 r6:85437b80 r5:861c5400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea63dfb0 to 0xea63dff8) 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 r4:85986680 INFO: task kworker/1:52:13600 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c3ca0000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 INFO: task kworker/1:56:13634 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:56 state:D stack:0 pid:13634 tgid:13634 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfa05d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfa05d8c r5:861c2400 r4:861c2400 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:861c2400 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa05e08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:867b7380 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:861c2400 r7:00000000 r6:83018600 r5:00001000 r4:7f23a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa5b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8675b78c r4:85437880 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8675b78c r4:85437880 [<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 r9:861c2400 r8:854378ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85437880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85437880 r8:80278fec r7:ea559e60 r6:8593c800 r5:861c2400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa05fb0 to 0xdfa05ff8) 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 r4:86216200 INFO: task kworker/1:56:13634 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c3ca0000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 INFO: task kworker/1:57:13635 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:57 state:D stack:0 pid:13635 tgid:13635 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfab9d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfab9d8c r5:849d6000 r4:849d6000 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:849d6000 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfab9e08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ea0440 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:849d6000 r7:00000000 r6:83018600 r5:00001000 r4:7f23e000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb97000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8675878c r4:85437900 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8675878c r4:85437900 [<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 r9:849d6000 r8:8543792c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85437900 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85437900 r8:80278fec r7:ea661e60 r6:84f6c980 r5:849d6000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfab9fb0 to 0xdfab9ff8) 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 r4:86216e40 INFO: task kworker/1:57:13635 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c3ca0000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 INFO: task kworker/1:58:13684 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:58 state:D stack:0 pid:13684 tgid:13684 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:e8229d84 r9:00000002 r8:60000013 r7:829171a0 r6:e8229d8c r5:859cbc00 r4:859cbc00 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859cbc00 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8229e08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:867b7b40 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:859cbc00 r7:00000000 r6:83018600 r5:00001000 r4:7f00f000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:df98f000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8576538c r4:86890400 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8576538c r4:86890400 [<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 r9:859cbc00 r8:8689042c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:86890400 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:86890400 r8:80278fec r7:ea661e60 r6:86890380 r5:859cbc00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe8229fb0 to 0xe8229ff8) 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 r4:85d1d5c0 INFO: task kworker/1:58:13684 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c3ca0000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:47:13685 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:47 state:D stack:0 pid:13685 tgid:13685 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:e4191d84 r9:00000002 r8:60000013 r7:829171a0 r6:e4191d8c r5:84203000 r4:84203000 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84203000 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e4191e08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858ecb00 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84203000 r7:00000000 r6:83018400 r5:00001000 r4:7f292000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea7a7000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8694ab8c r4:8601a080 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8694ab8c r4:8601a080 [<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 r9:84203000 r8:8601a0ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a080 r8:80278fec r7:ea6e9e60 r6:86890300 r5:84203000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe4191fb0 to 0xe4191ff8) 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 r4:867922c0 INFO: task kworker/0:47:13685 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c3ca0000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:59:13690 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:59 state:D stack:0 pid:13690 tgid:13690 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:e8205d84 r9:00000002 r8:60000113 r7:829171a0 r6:e8205d8c r5:8330c800 r4:8330c800 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8330c800 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e8205e08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85657980 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8330c800 r7:00000000 r6:83018600 r5:00001000 r4:7f22c000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfaed000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84e13f8c r4:86890480 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:84e13f8c r4:86890480 [<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 r9:8330c800 r8:868904ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:86890480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:86890480 r8:80278fec r7:e8229e60 r6:86890500 r5:8330c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe8205fb0 to 0xe8205ff8) 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 r4:86164580 INFO: task kworker/1:59:13690 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c3ca0000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:61:13697 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:61 state:D stack:0 pid:13697 tgid:13697 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea855d84 r9:00000002 r8:60010013 r7:829171a0 r6:ea855d8c r5:855fd400 r4:855fd400 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:855fd400 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea855e08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85657e80 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:855fd400 r7:00000000 r6:83018600 r5:00001000 r4:7f22a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfaa9000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:85685b8c r4:86890700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85685b8c r4:86890700 [<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 r9:855fd400 r8:8689072c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:86890700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:86890700 r8:80278fec r7:e8205e60 r6:86890780 r5:855fd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea855fb0 to 0xea855ff8) 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 r4:86202d80 INFO: task kworker/1:61:13697 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c3ca0000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:62:13702 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:62 state:D stack:0 pid:13702 tgid:13702 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea891d84 r9:00000002 r8:60010113 r7:829171a0 r6:ea891d8c r5:83b41800 r4:83b41800 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83b41800 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea891e08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85941080 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83b41800 r7:00000000 r6:83018600 r5:00001000 r4:7f232000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb5b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8569978c r4:86890900 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8569978c r4:86890900 [<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 r9:83b41800 r8:8689092c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:86890900 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:86890900 r8:80278fec r7:e8205e60 r6:86890980 r5:83b41800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea891fb0 to 0xea891ff8) 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 r4:862165c0 INFO: task kworker/1:62:13702 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c3ca0000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:63:13706 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:63 state:D stack:0 pid:13706 tgid:13706 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8add84 r9:00000002 r8:60000013 r7:829171a0 r6:ea8add8c r5:84204800 r4:84204800 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84204800 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8ade08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85763680 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84204800 r7:00000000 r6:83018600 r5:00001000 r4:7f28e000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea73b000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:84102f8c r4:86890680 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:84102f8c r4:86890680 [<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 r9:84204800 r8:868906ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:86890680 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:86890680 r8:80278fec r7:e8205e60 r6:86890a00 r5:84204800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8adfb0 to 0xea8adff8) 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 r4:8599b980 INFO: task kworker/1:63:13706 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c679e000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:49:13744 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:49 state:D stack:0 pid:13744 tgid:13744 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eac51d84 r9:00000002 r8:60000113 r7:829171a0 r6:eac51d8c r5:841f6c00 r4:841f6c00 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:841f6c00 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac51e08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858f5280 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:841f6c00 r7:00000000 r6:83018400 r5:00001000 r4:7f290000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea77f000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8694978c r4:8601a900 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8694978c r4:8601a900 [<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 r9:841f6c00 r8:8601a92c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a900 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a900 r8:80278fec r7:ea6e9e60 r6:862e6a80 r5:841f6c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac51fb0 to 0xeac51ff8) 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 r4:8607a8c0 INFO: task kworker/0:49:13744 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c679e000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:50:13749 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:50 state:D stack:0 pid:13749 tgid:13749 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eac95d84 r9:00000002 r8:60000013 r7:829171a0 r6:eac95d8c r5:859cc800 r4:859cc800 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:859cc800 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eac95e08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84815cc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cc800 r7:00000000 r6:83018400 r5:00001000 r4:7f288000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6dd000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8545c78c r4:8601a880 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8545c78c r4:8601a880 [<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 r9:859cc800 r8:8601a8ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a880 r8:80278fec r7:ea6e9e60 r6:8601a800 r5:859cc800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac95fb0 to 0xeac95ff8) 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 r4:85986b40 INFO: task kworker/0:50:13749 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c6a21000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:65:13821 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:13821 tgid:13821 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a643a8>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a63414>] (__schedule) from [<81a643a8>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea36dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea36dd8c r5:84ec0c00 r4:84ec0c00 [<81a6437c>] (schedule) from [<81a64790>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84ec0c00 r4:8291719c [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64778>] (schedule_preempt_disabled) from [<81a67340>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a66ff0>] (__mutex_lock.constprop.0) from [<81a67ae8>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea36de08 r4:00000000 [<81a67ad4>] (__mutex_lock_slowpath) from [<81a67b28>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67aec>] (mutex_lock) from [<804ea014>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8613fdc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84ec0c00 r7:00000000 r6:83018400 r5:00001000 r4:7f22e000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb2d000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8548c38c r4:859dd400 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8548c38c r4:859dd400 [<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 r9:84ec0c00 r8:859dd42c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:859dd400 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:859dd400 r8:80278fec r7:dff69e60 r6:859dda80 r5:84ec0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea36dfb0 to 0xea36dff8) 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 r4:86822700 INFO: task kworker/0:65:13821 is blocked on a mutex likely owned by task kworker/0:51:13750. task:kworker/0:51 state:R running task stack:0 pid:13750 tgid:13750 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a63414>] (__schedule) from [<81a647dc>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:859cd400 r8:80200c04 r7:ea881d54 r6:ffffffff r5:859cd400 r4:00000000 [<81a6479c>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea881d20 to 0xea881d68) 1d20: c6d28000 ebb4d000 00000001 80239bf8 7f23a000 00000001 82acb1c4 82aca5a0 1d40: 7f23a000 ebb4d000 8280c9b4 ea881d9c ea881da0 ea881d70 80230af0 80239c10 1d60: 80010113 ffffffff r5:80010113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804e9dd8>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9b54>] (__purge_vmap_area_lazy) from [<804ea190>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea881dc0 r5:ea881e08 r4:ea881dc0 [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804e9fac>] (_vm_unmap_aliases) from [<804eddf4>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8599acc0 r4:00000000 [<804edc88>] (vfree) from [<80558b40>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:859cd400 r7:00000000 r6:83018400 r5:00001000 r4:7f28a000 [<80558b10>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea70e000 [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_binary_free kernel/bpf/core.c:1098 [inline]) [<803c5fa0>] (bpf_jit_free_exec) from [<803c6390>] (bpf_jit_free+0x68/0xe4 kernel/bpf/core.c:1221) [<803c6328>] (bpf_jit_free) from [<803c7438>] (bpf_prog_free_deferred+0x140/0x158 kernel/bpf/core.c:2898) r5:8410378c r4:8601a700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8410378c r4:8601a700 [<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 r9:859cd400 r8:8601a72c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:8601a700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8601a700 r8:80278fec r7:ea6e9e60 r6:8601a780 r5:859cd400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea881fb0 to 0xea881ff8) 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 r4:85d145c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 1 CPU: 1 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 r4:82252424 [<80201b08>] (show_stack) from [<8021f8b0>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201b08>] (show_stack) from [<8021f8b0>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<8021f840>] (dump_stack_lvl) from [<8021f8d4>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000001 r4:00000001 [<8021f8bc>] (dump_stack) from [<81a4d02c>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a4cecc>] (nmi_cpu_backtrace) from [<81a4d178>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8280c690 r5:8281ae34 r4:ffffffff [<81a4d048>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:8281ba28 r8:8280c810 r7:0002b4d0 r6:00007d55 r5:82abf7d4 r4:86e9290c [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037fb08>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037fb08>] (check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037fb08>] (watchdog+0x5d0/0x850 kernel/hung_task.c:495) [<8037f538>] (watchdog) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:00000000 r8:8037f538 r7:830cfd80 r6:830cfd80 r5:8321c800 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 r4:833cb7c0 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2821 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 : [<81a6d27c>] lr : [<80a8ee08>] psr: 60010113 sp : eb01deb0 ip : eb01dec0 fp : eb01debc r10: 82959554 r9 : 00000000 r8 : 00000000 r7 : 00000117 r6 : 829594b8 r5 : 00000000 r4 : 00000001 r3 : 0000223e r2 : 00000000 r1 : 60010113 r0 : 840ed440 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 84dce040 DAC: fffffffd Call trace: [<81a6d254>] (_raw_spin_unlock_irqrestore) from [<80a8ee08>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81a6d254>] (_raw_spin_unlock_irqrestore) from [<80a8ee08>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81a6d254>] (_raw_spin_unlock_irqrestore) from [<80a8ee08>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80a8ede8>] (pl011_console_device_unlock) from [<802e3768>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1142) [<802e36e0>] (nbcon_emit_one) from [<802e3988>] (nbcon_kthread_func+0x1a8/0x2a4 kernel/printk/nbcon.c:1229) r6:8280c690 r5:83b33c00 r4:829594b8 [<802e37e0>] (nbcon_kthread_func) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:829594b8 r8:802e37e0 r7:84b9a780 r6:84b9a780 r5:83b33c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeb01dfb0 to 0xeb01dff8) 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 r4:84178d00