INFO: task kworker/1:17:4234 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:17 state:D stack:0 pid:4234 tgid:4234 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:e0041d84 r9:00000002 r8:60000013 r7:829171a0 r6:e0041d8c r5:8388ec00 r4:8388ec00 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8388ec00 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e0041e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85681a40 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8388ec00 r7:00000000 r6:83018600 r5:00001000 r4:7f00b000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:df967000 [<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) r5:859d638c r4:857df780 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859d638c r4:857df780 [<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 r9:8388ec00 r8:857df7ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:857df780 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:857df780 r8:80278fec r7:dff41e60 r6:857dfa00 r5:8388ec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe0041fb0 to 0xe0041ff8) 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 r4:8589f800 INFO: task kworker/1:17:4234 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: e86f3000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 INFO: task kworker/0:16:4241 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:16 state:D stack:0 pid:4241 tgid:4241 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:e41f1d84 r9:00000002 r8:60000113 r7:829171a0 r6:e41f1d8c r5:83a82400 r4:83a82400 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83a82400 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e41f1e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8545e4c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:83a82400 r7:00000000 r6:83018400 r5:00001000 r4:7f00d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa9d000 [<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) r5:85983f8c r4:84c00780 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85983f8c r4:84c00780 [<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 r9:83a82400 r8:84c007ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84c00780 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84c00780 r8:80278fec r7:e00c5e60 r6:857df700 r5:83a82400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe41f1fb0 to 0xe41f1ff8) 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 r4:8589af80 INFO: task kworker/0:16:4241 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: e86f3000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 INFO: task kworker/0:21:4258 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:21 state:D stack:0 pid:4258 tgid:4258 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea3b9d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea3b9d8c r5:84152400 r4:84152400 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84152400 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea3b9e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8545ec40 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84152400 r7:00000000 r6:83018400 r5:00001000 r4:7f029000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea9d9000 [<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) r5:859c5f8c r4:84c00600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:859c5f8c r4:84c00600 [<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 r9:84152400 r8:84c0062c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:84c00600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84c00600 r8:80278fec r7:e41f1e60 r6:84c00280 r5:84152400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3b9fb0 to 0xea3b9ff8) 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 r4:858ae7c0 INFO: task kworker/0:21:4258 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: e8acb000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 INFO: task kworker/1:22:4265 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:22 state:D stack:0 pid:4265 tgid:4265 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfa25d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfa25d8c r5:84155400 r4:84155400 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84155400 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa25e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8592d400 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84155400 r7:00000000 r6:83018600 r5:00001000 r4:7f02d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dffbd000 [<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) r5:84bd638c r4:857df000 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:84bd638c r4:857df000 [<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 r9:84155400 r8:857df02c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:857df000 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:857df000 r8:80278fec r7:e0041e60 r6:84c00d80 r5:84155400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa25fb0 to 0xdfa25ff8) 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 r4:8574d8c0 INFO: task kworker/1:22:4265 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: e8c9b000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 INFO: task kworker/0:181:4957 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:181 state:D stack:0 pid:4957 tgid:4957 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea909d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea909d8c r5:85633000 r4:85633000 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85633000 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea909e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8545e600 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85633000 r7:00000000 r6:83018400 r5:00001000 r4:7f043000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea969000 [<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) r5:85982f8c r4:857d1380 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85982f8c r4:857d1380 [<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 r9:85633000 r8:857d13ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:857d1380 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:857d1380 r8:80278fec r7:ea8bde60 r6:857d1400 r5:85633000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea909fb0 to 0xea909ff8) 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 r4:8592b680 INFO: task kworker/0:181:4957 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: e8d3e000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 INFO: task kworker/0:182:4959 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:182 state:D stack:0 pid:4959 tgid:4959 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea935d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea935d8c r5:85633c00 r4:85633c00 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85633c00 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea935e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85697300 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85633c00 r7:00000000 r6:83018400 r5:00001000 r4:7f031000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea321000 [<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) r5:859b2b8c r4:857d1480 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:859b2b8c r4:857d1480 [<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 r9:85633c00 r8:857d14ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:857d1480 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:857d1480 r8:80278fec r7:ea909e60 r6:857d1500 r5:85633c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea935fb0 to 0xea935ff8) 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 r4:85921100 INFO: task kworker/0:182:4959 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: e9142000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 INFO: task kworker/1:195:4978 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:195 state:D stack:0 pid:4978 tgid:4978 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea91dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea91dd8c r5:85639800 r4:85639800 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85639800 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea91de08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874b80 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85639800 r7:00000000 r6:83018600 r5:00001000 r4:7f02d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dff55000 [<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) r5:859c678c r4:84ffc300 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c678c r4:84ffc300 [<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 r9:85639800 r8:84ffc32c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc300 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc300 r8:80278fec r7:ea959e60 r6:84ffc380 r5:85639800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea91dfb0 to 0xea91dff8) 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 r4:84fecfc0 INFO: task kworker/1:195:4978 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: e9142000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 INFO: task kworker/1:199:4986 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:199 state:D stack:0 pid:4986 tgid:4986 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea939d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea939d8c r5:84d43000 r4:84d43000 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d43000 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea939e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874040 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d43000 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea85f000 [<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) r5:859c4f8c r4:84ffc700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c4f8c r4:84ffc700 [<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 r9:84d43000 r8:84ffc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc700 r8:80278fec r7:ea91de60 r6:84ffc780 r5:84d43000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 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 r4:84ff4e80 INFO: task kworker/1:199:4986 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: e91f0000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 INFO: task kworker/0:183:4989 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:183 state:D stack:0 pid:4989 tgid:4989 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea96dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea96dd8c r5:85648c00 r4:85648c00 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85648c00 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea96de08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85938c00 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85648c00 r7:00000000 r6:83018400 r5:00001000 r4:7f029000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfbad000 [<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) r5:85a0838c r4:857d1800 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85a0838c r4:857d1800 [<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 r9:85648c00 r8:857d182c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:857d1800 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:857d1800 r8:80278fec r7:ea935e60 r6:857d1880 r5:85648c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea96dfb0 to 0xea96dff8) 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 r4:8545e3c0 INFO: task kworker/0:183:4989 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: e9440000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 INFO: task kworker/1:200:4991 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:200 state:D stack:0 pid:4991 tgid:4991 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea991d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea991d8c r5:8564a400 r4:8564a400 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8564a400 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea991e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858742c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8564a400 r7:00000000 r6:83018600 r5:00001000 r4:7f047000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea989000 [<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) r5:859c578c r4:84ffc800 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c578c r4:84ffc800 [<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 r9:8564a400 r8:84ffc82c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc800 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc800 r8:80278fec r7:ea91de60 r6:857d1900 r5:8564a400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea991fb0 to 0xea991ff8) 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 r4:85874000 INFO: task kworker/1:200:4991 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: e9440000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:201:4992 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:201 state:D stack:0 pid:4992 tgid:4992 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9a5d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea9a5d8c r5:85649800 r4:85649800 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85649800 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9a5e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858745c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85649800 r7:00000000 r6:83018600 r5:00001000 r4:7f049000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea9b1000 [<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) r5:859c5b8c r4:84ffc880 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c5b8c r4:84ffc880 [<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 r9:85649800 r8:84ffc8ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc880 r8:80278fec r7:ea91de60 r6:857d1980 r5:85649800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9a5fb0 to 0xea9a5ff8) 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 r4:858743c0 INFO: task kworker/1:201:4992 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: e969a000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:202:4994 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:202 state:D stack:0 pid:4994 tgid:4994 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea941d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea941d8c r5:84d41800 r4:84d41800 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d41800 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea941e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85691140 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d41800 r7:00000000 r6:83018600 r5:00001000 r4:7f039000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea3e7000 [<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) r5:859c7f8c r4:84ffc900 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c7f8c r4:84ffc900 [<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 r9:84d41800 r8:84ffc92c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc900 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc900 r8:80278fec r7:ea91de60 r6:84ffc980 r5:84d41800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea941fb0 to 0xea941ff8) 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 r4:85874540 INFO: task kworker/1:202:4994 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: e96c4000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:184:4997 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:184 state:D stack:0 pid:4997 tgid:4997 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9ddd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea9ddd8c r5:8564b000 r4:8564b000 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8564b000 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9dde08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85933540 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8564b000 r7:00000000 r6:83018400 r5:00001000 r4:7f02b000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dffd1000 [<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) r5:85981f8c r4:857d1a00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85981f8c r4:857d1a00 [<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 r9:8564b000 r8:857d1a2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:857d1a00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:857d1a00 r8:80278fec r7:ea935e60 r6:857d1a80 r5:8564b000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9ddfb0 to 0xea9ddff8) 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 r4:8545ec00 INFO: task kworker/0:184:4997 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: e9abb000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:203:4999 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:203 state:D stack:0 pid:4999 tgid:4999 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea98dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea98dd8c r5:84d44800 r4:84d44800 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d44800 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea98de08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874dc0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d44800 r7:00000000 r6:83018600 r5:00001000 r4:7f02f000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e00c1000 [<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) r5:859c638c r4:84ffca00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c638c r4:84ffca00 [<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 r9:84d44800 r8:84ffca2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffca00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffca00 r8:80278fec r7:ea941e60 r6:84ffca80 r5:84d44800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea98dfb0 to 0xea98dff8) 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 r4:85874c40 INFO: task kworker/1:203:4999 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: e9abb000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:204:5000 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:204 state:D stack:0 pid:5000 tgid:5000 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8add84 r9:00000002 r8:60000013 r7:829171a0 r6:ea8add8c r5:84d45400 r4:84d45400 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d45400 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8ade08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85697f80 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d45400 r7:00000000 r6:83018600 r5:00001000 r4:7f03b000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea747000 [<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) r5:859c478c r4:84ffcb00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c478c r4:84ffcb00 [<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 r9:84d45400 r8:84ffcb2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffcb00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffcb00 r8:80278fec r7:ea941e60 r6:84ffcb80 r5:84d45400 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 r4:85874f00 INFO: task kworker/1:204:5000 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: e9ae2000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:205:5002 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:205 state:D stack:0 pid:5002 tgid:5002 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8e1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8e1d8c r5:84d46c00 r4:84d46c00 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d46c00 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8e1e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:858748c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d46c00 r7:00000000 r6:83018600 r5:00001000 r4:7f037000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea2b5000 [<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) r5:859c6f8c r4:84ffcc80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c6f8c r4:84ffcc80 [<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 r9:84d46c00 r8:84ffccac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffcc80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffcc80 r8:80278fec r7:ea941e60 r6:84ffcd00 r5:84d46c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8e1fb0 to 0xea8e1ff8) 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 r4:85874940 INFO: task kworker/1:205:5002 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: e9e29000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:206:5005 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:206 state:D stack:0 pid:5005 tgid:5005 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8e5d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea8e5d8c r5:84d43c00 r4:84d43c00 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d43c00 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8e5e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8592a600 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d43c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea893000 [<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) r5:859bff8c r4:84ffcd80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859bff8c r4:84ffcd80 [<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 r9:84d43c00 r8:84ffcdac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffcd80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffcd80 r8:80278fec r7:ea8ade60 r6:84ffce00 r5:84d43c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8e5fb0 to 0xea8e5ff8) 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 r4:8592c840 INFO: task kworker/1:206:5005 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: e9e29000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:207:5007 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:207 state:D stack:0 pid:5007 tgid:5007 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8f5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8f5d8c r5:84d40c00 r4:84d40c00 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d40c00 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8f5e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8592b140 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d40c00 r7:00000000 r6:83018600 r5:00001000 r4:7f00b000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:df95f000 [<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) r5:8578978c r4:84ffce80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8578978c r4:84ffce80 [<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 r9:84d40c00 r8:84ffceac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffce80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffce80 r8:80278fec r7:ea8e5e60 r6:84ffcf00 r5:84d40c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8f5fb0 to 0xea8f5ff8) 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 r4:8592a400 INFO: task kworker/1:207:5007 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: ea094000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:208:5009 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:208 state:D stack:0 pid:5009 tgid:5009 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea8b1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea8b1d8c r5:84d40000 r4:84d40000 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d40000 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea8b1e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85933280 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d40000 r7:00000000 r6:83018600 r5:00001000 r4:7f045000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea9af000 [<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) r5:859c738c r4:84ffcf80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c738c r4:84ffcf80 [<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 r9:84d40000 r8:84ffcfac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffcf80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffcf80 r8:80278fec r7:ea8f5e60 r6:84fed000 r5:84d40000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea8b1fb0 to 0xea8b1ff8) 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 r4:85922580 INFO: task kworker/1:208:5009 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: ea10b000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:209:5010 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:209 state:D stack:0 pid:5010 tgid:5010 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9e9d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea9e9d8c r5:84d46000 r4:84d46000 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d46000 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9e9e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85697e00 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d46000 r7:00000000 r6:83018600 r5:00001000 r4:7f041000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea8e7000 [<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) r5:859bd38c r4:84fed080 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859bd38c r4:84fed080 [<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 r9:84d46000 r8:84fed0ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84fed080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fed080 r8:80278fec r7:ea8f5e60 r6:84fed100 r5:84d46000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9e9fb0 to 0xea9e9ff8) 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 r4:858afa00 INFO: task kworker/1:209:5010 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: ea5a3000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:210:5013 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:210 state:D stack:0 pid:5013 tgid:5013 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9e5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea9e5d8c r5:84d58c00 r4:84d58c00 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d58c00 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9e5e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8545e980 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d58c00 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea85b000 [<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) r5:85980f8c r4:84fed200 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85980f8c r4:84fed200 [<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 r9:84d58c00 r8:84fed22c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84fed200 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fed200 r8:80278fec r7:ea8b1e60 r6:84fed280 r5:84d58c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9e5fb0 to 0xea9e5ff8) 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 r4:8592b180 INFO: task kworker/1:210:5013 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: ea6ca000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:185:5016 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:185 state:D stack:0 pid:5016 tgid:5016 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea945d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea945d8c r5:8564e000 r4:8564e000 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8564e000 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea945e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8592b600 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8564e000 r7:00000000 r6:83018400 r5:00001000 r4:7f033000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea465000 [<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) r5:8579578c r4:857d1b00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8579578c r4:857d1b00 [<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 r9:8564e000 r8:857d1b2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:857d1b00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:857d1b00 r8:80278fec r7:ea96de60 r6:857d1b80 r5:8564e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea945fb0 to 0xea945ff8) 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 r4:85922d40 INFO: task kworker/0:185:5016 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: ea865000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:186:5018 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:186 state:D stack:0 pid:5018 tgid:5018 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea951d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea951d8c r5:8564d400 r4:8564d400 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8564d400 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea951e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85933480 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8564d400 r7:00000000 r6:83018400 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea628000 [<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) r5:85794f8c r4:857d1c80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85794f8c r4:857d1c80 [<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 r9:8564d400 r8:857d1cac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:857d1c80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:857d1c80 r8:80278fec r7:ea96de60 r6:857d1d00 r5:8564d400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea951fb0 to 0xea951ff8) 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 r4:8592b580 INFO: task kworker/0:186:5018 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: ea865000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:187:5019 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:187 state:D stack:0 pid:5019 tgid:5019 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea971d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea971d8c r5:8564ec00 r4:8564ec00 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8564ec00 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea971e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ff4140 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8564ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f043000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea967000 [<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) r5:8598178c r4:857d1d80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:8598178c r4:857d1d80 [<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 r9:8564ec00 r8:857d1dac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:857d1d80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:857d1d80 r8:80278fec r7:ea96de60 r6:857d1e00 r5:8564ec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea971fb0 to 0xea971ff8) 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 r4:8592c840 INFO: task kworker/0:187:5019 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: eacd5000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:211:5022 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:211 state:D stack:0 pid:5022 tgid:5022 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea979d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea979d8c r5:84d5a400 r4:84d5a400 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d5a400 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea979e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8592da00 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d5a400 r7:00000000 r6:83018600 r5:00001000 r4:7f037000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea2f7000 [<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) r5:859bdf8c r4:84fed300 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859bdf8c r4:84fed300 [<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 r9:84d5a400 r8:84fed32c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84fed300 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fed300 r8:80278fec r7:ea8b1e60 r6:84fed380 r5:84d5a400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea979fb0 to 0xea979ff8) 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 r4:85915b40 INFO: task kworker/1:211:5022 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: ead53000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:188:5024 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:188 state:D stack:0 pid:5024 tgid:5024 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea981d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea981d8c r5:84d5b000 r4:84d5b000 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d5b000 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea981e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85938980 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84d5b000 r7:00000000 r6:83018400 r5:00001000 r4:7f047000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea9cd000 [<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) r5:859bc78c r4:857d1e80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:859bc78c r4:857d1e80 [<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 r9:84d5b000 r8:857d1eac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:857d1e80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:857d1e80 r8:80278fec r7:ea96de60 r6:84fed400 r5:84d5b000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea981fb0 to 0xea981ff8) 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 r4:85938600 INFO: task kworker/0:188:5024 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: ead53000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:189:5027 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:189 state:D stack:0 pid:5027 tgid:5027 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea975d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea975d8c r5:85648000 r4:85648000 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85648000 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea975e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85938e40 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85648000 r7:00000000 r6:83018400 r5:00001000 r4:7f03b000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea829000 [<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) r5:85a0878c r4:857d1f00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85a0878c r4:857d1f00 [<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 r9:85648000 r8:857d1f2c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:857d1f00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:857d1f00 r8:80278fec r7:ea96de60 r6:857d1f80 r5:85648000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea975fb0 to 0xea975ff8) 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 r4:85938900 INFO: task kworker/0:189:5027 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: eb3cc000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:212:5029 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:212 state:D stack:0 pid:5029 tgid:5029 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eaa11d84 r9:00000002 r8:60000113 r7:829171a0 r6:eaa11d8c r5:84d5c800 r4:84d5c800 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d5c800 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa11e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8592d600 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d5c800 r7:00000000 r6:83018600 r5:00001000 r4:7f02f000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0169000 [<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) r5:856cab8c r4:84fed500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:856cab8c r4:84fed500 [<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 r9:84d5c800 r8:84fed52c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84fed500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fed500 r8:80278fec r7:ea979e60 r6:84fed580 r5:84d5c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaa11fb0 to 0xeaa11ff8) 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 r4:8592aa80 INFO: task kworker/1:212:5029 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: eb3cc000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:190:5030 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:190 state:D stack:0 pid:5030 tgid:5030 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9edd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea9edd8c r5:84d5d400 r4:84d5d400 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d5d400 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9ede08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85938c80 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84d5d400 r7:00000000 r6:83018400 r5:00001000 r4:7f04d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa73000 [<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) r5:85a09b8c r4:85935080 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85a09b8c r4:85935080 [<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 r9:84d5d400 r8:859350ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85935080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85935080 r8:80278fec r7:ea975e60 r6:84fed600 r5:84d5d400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9edfb0 to 0xea9edff8) 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 r4:85938b80 INFO: task kworker/0:190:5030 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: eb3cc000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:213:5034 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:213 state:D stack:0 pid:5034 tgid:5034 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9f1d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea9f1d8c r5:84d5e000 r4:84d5e000 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d5e000 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9f1e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859332c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d5e000 r7:00000000 r6:83018600 r5:00001000 r4:7f03f000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea8b7000 [<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) r5:859d438c r4:84fed680 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859d438c r4:84fed680 [<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 r9:84d5e000 r8:84fed6ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84fed680 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fed680 r8:80278fec r7:ea979e60 r6:84fed700 r5:84d5e000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9f1fb0 to 0xea9f1ff8) 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 r4:8592dbc0 INFO: task kworker/1:213:5034 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: eb694000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:214:5035 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:214 state:D stack:0 pid:5035 tgid:5035 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9f5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea9f5d8c r5:84d5ec00 r4:84d5ec00 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d5ec00 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9f5e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8592d580 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d5ec00 r7:00000000 r6:83018600 r5:00001000 r4:7f039000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea527000 [<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) r5:8596ff8c r4:84fed780 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8596ff8c r4:84fed780 [<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 r9:84d5ec00 r8:84fed7ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84fed780 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fed780 r8:80278fec r7:ea9f1e60 r6:84fed800 r5:84d5ec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9f5fb0 to 0xea9f5ff8) 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 r4:8592dbc0 INFO: task kworker/1:214:5035 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: eb805000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:191:5038 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:191 state:D stack:0 pid:5038 tgid:5038 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eaa15d84 r9:00000002 r8:60000113 r7:829171a0 r6:eaa15d8c r5:84d59800 r4:84d59800 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d59800 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa15e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85938cc0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84d59800 r7:00000000 r6:83018400 r5:00001000 r4:7f041000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea963000 [<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) r5:85a08b8c r4:85935100 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85a08b8c r4:85935100 [<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 r9:84d59800 r8:8593512c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85935100 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85935100 r8:80278fec r7:ea9ede60 r6:84fed880 r5:84d59800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaa15fb0 to 0xeaa15ff8) 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 r4:85938dc0 INFO: task kworker/0:191:5038 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d42400 r8:80200c04 r7:ea93dd54 r6:ffffffff r5:84d42400 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea93dd20 to 0xea93dd68) dd20: eb923000 ebaf9000 00000001 80239bf8 7f00b000 00000001 82acb1c4 82aca5a0 dd40: 7f00b000 ebaf9000 8280c9b4 ea93dd9c ea93dda0 ea93dd70 80230af0 80239c10 dd60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:215:5040 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:215 state:D stack:0 pid:5040 tgid:5040 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eaa1dd84 r9:00000002 r8:60000113 r7:829171a0 r6:eaa1dd8c r5:84d58000 r4:84d58000 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84d58000 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa1de08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856814c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d58000 r7:00000000 r6:83018600 r5:00001000 r4:7f05b000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eab67000 [<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) r5:859d678c r4:84feda00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859d678c r4:84feda00 [<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 r9:84d58000 r8:84feda2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84feda00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84feda00 r8:80278fec r7:ea9f1e60 r6:84feda80 r5:84d58000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaa1dfb0 to 0xeaa1dff8) 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 r4:8592d7c0 INFO: task kworker/1:215:5040 is blocked on a mutex likely owned by task kworker/1:198:4985. task:kworker/1:198 state:R running task stack:0 pid:4985 tgid:4985 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64a48>] (preempt_schedule_common kernel/sched/core.c:7113 [inline]) [<81a6391c>] (__schedule) from [<81a64a48>] (preempt_schedule+0x4c/0xb4 kernel/sched/core.c:7137) r10:00000000 r9:20000113 r8:829171a0 r7:81a66230 r6:00000001 r5:84d42400 r4:81a66230 [<81a649fc>] (preempt_schedule) from [<81a66230>] (class_preempt_destructor include/linux/preempt.h:470 [inline]) [<81a649fc>] (preempt_schedule) from [<81a66230>] (raw_spin_unlock_irqrestore_wake include/linux/sched/wake_q.h:93 [inline]) [<81a649fc>] (preempt_schedule) from [<81a66230>] (__mutex_unlock_slowpath.constprop.0+0x1b4/0x21c kernel/locking/mutex.c:965) r7:84d42400 r6:84d43000 r5:00000000 r4:8291719c [<81a6607c>] (__mutex_unlock_slowpath.constprop.0) from [<81a662d8>] (mutex_unlock+0x40/0x44 kernel/locking/mutex.c:536) r9:00000000 r8:00000000 r7:ffffffff r6:ea93ddc0 r5:ea93de08 r4:ea93ddc0 [<81a66298>] (mutex_unlock) from [<804ea4f4>] (_vm_unmap_aliases+0x208/0x240 mm/vmalloc.c:2959) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859226c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d42400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea749000 [<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) r5:859c538c r4:84ffc600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c538c r4:84ffc600 [<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 r9:84d42400 r8:84ffc62c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc600 r8:80278fec r7:ea91de60 r6:84ffc680 r5:84d42400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea93dfb0 to 0xea93dff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:216:5042 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:216 state:D stack:0 pid:5042 tgid:5042 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eaa21d84 r9:00000002 r8:60000113 r7:829171a0 r6:eaa21d8c r5:84bb0c00 r4:84bb0c00 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84bb0c00 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa21e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84fec9c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84bb0c00 r7:00000000 r6:83018600 r5:00001000 r4:7f051000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaabf000 [<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) r5:859d4b8c r4:84fedb80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859d4b8c r4:84fedb80 [<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 r9:84bb0c00 r8:84fedbac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84fedb80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fedb80 r8:80278fec r7:eaa1de60 r6:84fedc00 r5:84bb0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaa21fb0 to 0xeaa21ff8) 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 r4:84fecec0 INFO: task kworker/1:216:5042 is blocked on a mutex likely owned by task kworker/1:199:4986. task:kworker/1:199 state:R running task stack:0 pid:4986 tgid:4986 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d43000 r8:80200c04 r7:ea939d54 r6:ffffffff r5:84d43000 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea939d20 to 0xea939d68) 9d20: 7f174000 ebbd3000 00000001 80239bf8 7f00d000 00000001 82acb1c4 82aca5a0 9d40: 7f00d000 ebbd3000 8280c9b4 ea939d9c ea939da0 ea939d70 80230af0 80239c10 9d60: 90000113 ffffffff r5:90000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea939dc0 r5:ea939e08 r4:ea939dc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874040 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d43000 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea85f000 [<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) r5:859c4f8c r4:84ffc700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c4f8c r4:84ffc700 [<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 r9:84d43000 r8:84ffc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc700 r8:80278fec r7:ea91de60 r6:84ffc780 r5:84d43000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:192:5043 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:192 state:D stack:0 pid:5043 tgid:5043 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eaa0dd84 r9:00000002 r8:60000013 r7:829171a0 r6:eaa0dd8c r5:8564bc00 r4:8564bc00 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8564bc00 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa0de08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859388c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8564bc00 r7:00000000 r6:83018400 r5:00001000 r4:7f049000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa37000 [<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) r5:85a0938c r4:85935180 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85a0938c r4:85935180 [<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 r9:8564bc00 r8:859351ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85935180 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85935180 r8:80278fec r7:ea9ede60 r6:85935200 r5:8564bc00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaa0dfb0 to 0xeaa0dff8) 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 r4:85938b80 INFO: task kworker/0:192:5043 is blocked on a mutex likely owned by task kworker/1:199:4986. task:kworker/1:199 state:R running task stack:0 pid:4986 tgid:4986 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d43000 r8:80200c04 r7:ea939d54 r6:ffffffff r5:84d43000 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea939d20 to 0xea939d68) 9d20: 7f33d000 ebbd3000 00000001 80239bf8 7f00d000 00000001 82acb1c4 82aca5a0 9d40: 7f00d000 ebbd3000 8280c9b4 ea939d9c ea939da0 ea939d70 80230af0 80239c10 9d60: 90000113 ffffffff r5:90000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea939dc0 r5:ea939e08 r4:ea939dc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874040 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d43000 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea85f000 [<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) r5:859c4f8c r4:84ffc700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c4f8c r4:84ffc700 [<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 r9:84d43000 r8:84ffc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc700 r8:80278fec r7:ea91de60 r6:84ffc780 r5:84d43000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:193:5046 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:193 state:D stack:0 pid:5046 tgid:5046 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eaa55d84 r9:00000002 r8:60000113 r7:829171a0 r6:eaa55d8c r5:85658000 r4:85658000 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85658000 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa55e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8592b3c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85658000 r7:00000000 r6:83018400 r5:00001000 r4:7f04b000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa57000 [<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) r5:85a0978c r4:85935280 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85a0978c r4:85935280 [<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 r9:85658000 r8:859352ac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85935280 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85935280 r8:80278fec r7:ea9ede60 r6:85935380 r5:85658000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaa55fb0 to 0xeaa55ff8) 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 r4:85938dc0 INFO: task kworker/0:193:5046 is blocked on a mutex likely owned by task kworker/1:199:4986. task:kworker/1:199 state:R running task stack:0 pid:4986 tgid:4986 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d43000 r8:80200c04 r7:ea939d54 r6:ffffffff r5:84d43000 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea939d20 to 0xea939d68) 9d20: 7f4e1000 ebbd3000 00000001 80239bf8 7f00d000 00000001 82acb1c4 82aca5a0 9d40: 7f00d000 ebbd3000 8280c9b4 ea939d9c ea939da0 ea939d70 80230af0 80239c10 9d60: 90000113 ffffffff r5:90000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea939dc0 r5:ea939e08 r4:ea939dc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874040 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d43000 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea85f000 [<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) r5:859c4f8c r4:84ffc700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c4f8c r4:84ffc700 [<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 r9:84d43000 r8:84ffc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc700 r8:80278fec r7:ea91de60 r6:84ffc780 r5:84d43000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:194:5048 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:194 state:D stack:0 pid:5048 tgid:5048 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eaa7dd84 r9:00000002 r8:60000013 r7:829171a0 r6:eaa7dd8c r5:85659800 r4:85659800 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85659800 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa7de08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85932a00 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:85659800 r7:00000000 r6:83018400 r5:00001000 r4:7f059000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eab47000 [<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) r5:85a0bf8c r4:85935400 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85a0bf8c r4:85935400 [<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 r9:85659800 r8:8593542c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85935400 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85935400 r8:80278fec r7:ea9ede60 r6:85935480 r5:85659800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaa7dfb0 to 0xeaa7dff8) 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 r4:85938dc0 INFO: task kworker/0:194:5048 is blocked on a mutex likely owned by task kworker/1:199:4986. task:kworker/1:199 state:R running task stack:0 pid:4986 tgid:4986 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d43000 r8:80200c04 r7:ea939d54 r6:ffffffff r5:84d43000 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea939d20 to 0xea939d68) 9d20: 7f6e7000 ebbd3000 00000001 80239bf8 7f00d000 00000001 82acb1c4 82aca5a0 9d40: 7f00d000 ebbd3000 8280c9b4 ea939d9c ea939da0 ea939d70 80230af0 80239c10 9d60: 90000113 ffffffff r5:90000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea939dc0 r5:ea939e08 r4:ea939dc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874040 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d43000 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea85f000 [<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) r5:859c4f8c r4:84ffc700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c4f8c r4:84ffc700 [<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 r9:84d43000 r8:84ffc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc700 r8:80278fec r7:ea91de60 r6:84ffc780 r5:84d43000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:195:5049 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:195 state:D stack:0 pid:5049 tgid:5049 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea9f9d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea9f9d8c r5:8565a400 r4:8565a400 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8565a400 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea9f9e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8592c440 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8565a400 r7:00000000 r6:83018400 r5:00001000 r4:7f04f000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa9f000 [<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) r5:85a0ab8c r4:85935500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85a0ab8c r4:85935500 [<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 r9:8565a400 r8:8593552c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85935500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85935500 r8:80278fec r7:eaa7de60 r6:85935580 r5:8565a400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea9f9fb0 to 0xea9f9ff8) 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 r4:8592a280 INFO: task kworker/0:195:5049 is blocked on a mutex likely owned by task kworker/1:199:4986. task:kworker/1:199 state:R running task stack:0 pid:4986 tgid:4986 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d43000 r8:80200c04 r7:ea939d54 r6:ffffffff r5:84d43000 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea939d20 to 0xea939d68) 9d20: 7f6e7000 ebbd3000 00000001 80239bf8 7f00d000 00000001 82acb1c4 82aca5a0 9d40: 7f00d000 ebbd3000 8280c9b4 ea939d9c ea939da0 ea939d70 80230af0 80239c10 9d60: 90000113 ffffffff r5:90000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea939dc0 r5:ea939e08 r4:ea939dc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874040 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d43000 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea85f000 [<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) r5:859c4f8c r4:84ffc700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c4f8c r4:84ffc700 [<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 r9:84d43000 r8:84ffc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc700 r8:80278fec r7:ea91de60 r6:84ffc780 r5:84d43000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:196:5052 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:196 state:D stack:0 pid:5052 tgid:5052 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eaabdd84 r9:00000002 r8:60000013 r7:829171a0 r6:eaabdd8c r5:8565b000 r4:8565b000 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8565b000 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaabde08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85932140 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8565b000 r7:00000000 r6:83018400 r5:00001000 r4:7f053000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaadf000 [<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) r5:85a0b38c r4:85935600 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85a0b38c r4:85935600 [<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 r9:8565b000 r8:8593562c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85935600 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85935600 r8:80278fec r7:eaa7de60 r6:85935680 r5:8565b000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaabdfb0 to 0xeaabdff8) 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 r4:858ae580 INFO: task kworker/0:196:5052 is blocked on a mutex likely owned by task kworker/1:199:4986. task:kworker/1:199 state:R running task stack:0 pid:4986 tgid:4986 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d43000 r8:80200c04 r7:ea939d54 r6:ffffffff r5:84d43000 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea939d20 to 0xea939d68) 9d20: 7f8d8000 ebbd3000 00000001 80239bf8 7f00d000 00000001 82acb1c4 82aca5a0 9d40: 7f00d000 ebbd3000 8280c9b4 ea939d9c ea939da0 ea939d70 80230af0 80239c10 9d60: 90000113 ffffffff r5:90000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea939dc0 r5:ea939e08 r4:ea939dc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874040 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d43000 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea85f000 [<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) r5:859c4f8c r4:84ffc700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c4f8c r4:84ffc700 [<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 r9:84d43000 r8:84ffc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc700 r8:80278fec r7:ea91de60 r6:84ffc780 r5:84d43000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:217:5053 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:217 state:D stack:0 pid:5053 tgid:5053 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eaac9d84 r9:00000002 r8:60000013 r7:829171a0 r6:eaac9d8c r5:84bb1800 r4:84bb1800 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84bb1800 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaac9e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85681d80 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84bb1800 r7:00000000 r6:83018600 r5:00001000 r4:7f00d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfae3000 [<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) r5:859d6f8c r4:84fedc80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859d6f8c r4:84fedc80 [<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 r9:84bb1800 r8:84fedcac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84fedc80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fedc80 r8:80278fec r7:eaa1de60 r6:84fedd00 r5:84bb1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaac9fb0 to 0xeaac9ff8) 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 r4:84fec040 INFO: task kworker/1:217:5053 is blocked on a mutex likely owned by task kworker/1:199:4986. task:kworker/1:199 state:R running task stack:0 pid:4986 tgid:4986 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d43000 r8:80200c04 r7:ea939d54 r6:ffffffff r5:84d43000 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea939d20 to 0xea939d68) 9d20: 7fae7000 ebbd3000 00000001 80239bf8 7f00d000 00000001 82acb1c4 82aca5a0 9d40: 7f00d000 ebbd3000 8280c9b4 ea939d9c ea939da0 ea939d70 80230af0 80239c10 9d60: 90000113 ffffffff r5:90000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea939dc0 r5:ea939e08 r4:ea939dc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874040 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d43000 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea85f000 [<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) r5:859c4f8c r4:84ffc700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c4f8c r4:84ffc700 [<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 r9:84d43000 r8:84ffc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc700 r8:80278fec r7:ea91de60 r6:84ffc780 r5:84d43000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:197:5055 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:197 state:D stack:0 pid:5055 tgid:5055 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eaa9dd84 r9:00000002 r8:60000013 r7:829171a0 r6:eaa9dd8c r5:8565c800 r4:8565c800 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8565c800 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eaa9de08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:859323c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8565c800 r7:00000000 r6:83018400 r5:00001000 r4:7f055000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eab07000 [<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) r5:85a0af8c r4:85935700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85a0af8c r4:85935700 [<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 r9:8565c800 r8:8593572c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85935700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85935700 r8:80278fec r7:eaa7de60 r6:85935780 r5:8565c800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeaa9dfb0 to 0xeaa9dff8) 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 r4:859320c0 INFO: task kworker/0:197:5055 is blocked on a mutex likely owned by task kworker/1:199:4986. task:kworker/1:199 state:R running task stack:0 pid:4986 tgid:4986 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d43000 r8:80200c04 r7:ea939d54 r6:ffffffff r5:84d43000 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea939d20 to 0xea939d68) 9d20: 7fae7000 ebbd3000 00000001 80239bf8 7f00d000 00000001 82acb1c4 82aca5a0 9d40: 7f00d000 ebbd3000 8280c9b4 ea939d9c ea939da0 ea939d70 80230af0 80239c10 9d60: 90000113 ffffffff r5:90000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea939dc0 r5:ea939e08 r4:ea939dc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874040 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d43000 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea85f000 [<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) r5:859c4f8c r4:84ffc700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c4f8c r4:84ffc700 [<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 r9:84d43000 r8:84ffc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc700 r8:80278fec r7:ea91de60 r6:84ffc780 r5:84d43000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:198:5058 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:198 state:D stack:0 pid:5058 tgid:5058 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eab05d84 r9:00000002 r8:60000113 r7:829171a0 r6:eab05d8c r5:8565d400 r4:8565d400 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8565d400 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab05e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85932640 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8565d400 r7:00000000 r6:83018400 r5:00001000 r4:7f057000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eab27000 [<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) r5:85a0b78c r4:85935800 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85a0b78c r4:85935800 [<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 r9:8565d400 r8:8593582c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85935800 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85935800 r8:80278fec r7:eaa7de60 r6:85935880 r5:8565d400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeab05fb0 to 0xeab05ff8) 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 r4:85932340 INFO: task kworker/0:198:5058 is blocked on a mutex likely owned by task kworker/1:199:4986. task:kworker/1:199 state:R running task stack:0 pid:4986 tgid:4986 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d43000 r8:80200c04 r7:ea939d54 r6:ffffffff r5:84d43000 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea939d20 to 0xea939d68) 9d20: 80145000 ebbd3000 00000001 80239bf8 7f00d000 00000001 82acb1c4 82aca5a0 9d40: 7f00d000 ebbd3000 8280c9b4 ea939d9c ea939da0 ea939d70 80230af0 80239c10 9d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea939dc0 r5:ea939e08 r4:ea939dc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874040 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d43000 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea85f000 [<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) r5:859c4f8c r4:84ffc700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c4f8c r4:84ffc700 [<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 r9:84d43000 r8:84ffc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc700 r8:80278fec r7:ea91de60 r6:84ffc780 r5:84d43000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:199:5059 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:199 state:D stack:0 pid:5059 tgid:5059 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eab45d84 r9:00000002 r8:60000013 r7:829171a0 r6:eab45d8c r5:8565ec00 r4:8565ec00 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8565ec00 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab45e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85922680 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8565ec00 r7:00000000 r6:83018400 r5:00001000 r4:7f05f000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eabb3000 [<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) r5:859bcb8c r4:85935900 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:859bcb8c r4:85935900 [<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 r9:8565ec00 r8:8593592c r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85935900 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85935900 r8:80278fec r7:eaa7de60 r6:85935980 r5:8565ec00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeab45fb0 to 0xeab45ff8) 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 r4:85932780 INFO: task kworker/0:199:5059 is blocked on a mutex likely owned by task kworker/1:199:4986. task:kworker/1:199 state:R running task stack:0 pid:4986 tgid:4986 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d43000 r8:80200c04 r7:ea939d54 r6:ffffffff r5:84d43000 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea939d20 to 0xea939d68) 9d20: 80145000 ebbd3000 00000001 80239bf8 7f00d000 00000001 82acb1c4 82aca5a0 9d40: 7f00d000 ebbd3000 8280c9b4 ea939d9c ea939da0 ea939d70 80230af0 80239c10 9d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea939dc0 r5:ea939e08 r4:ea939dc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874040 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d43000 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea85f000 [<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) r5:859c4f8c r4:84ffc700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c4f8c r4:84ffc700 [<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 r9:84d43000 r8:84ffc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc700 r8:80278fec r7:ea91de60 r6:84ffc780 r5:84d43000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:200:5061 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:200 state:D stack:0 pid:5061 tgid:5061 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eab25d84 r9:00000002 r8:60000013 r7:829171a0 r6:eab25d8c r5:8565bc00 r4:8565bc00 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8565bc00 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab25e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85932500 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:8565bc00 r7:00000000 r6:83018400 r5:00001000 r4:7f05d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eab8f000 [<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) r5:85a0a78c r4:85935a80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85a0a78c r4:85935a80 [<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 r9:8565bc00 r8:85935aac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85935a80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85935a80 r8:80278fec r7:eab45e60 r6:85935b00 r5:8565bc00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeab25fb0 to 0xeab25ff8) 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 r4:85932980 INFO: task kworker/0:200:5061 is blocked on a mutex likely owned by task kworker/1:199:4986. task:kworker/1:199 state:R running task stack:0 pid:4986 tgid:4986 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d43000 r8:80200c04 r7:ea939d54 r6:ffffffff r5:84d43000 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea939d20 to 0xea939d68) 9d20: 80673000 ebbd3000 00000001 80239bf8 7f00d000 00000001 82acb1c4 82aca5a0 9d40: 7f00d000 ebbd3000 8280c9b4 ea939d9c ea939da0 ea939d70 80230af0 80239c10 9d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea939dc0 r5:ea939e08 r4:ea939dc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874040 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d43000 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea85f000 [<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) r5:859c4f8c r4:84ffc700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c4f8c r4:84ffc700 [<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 r9:84d43000 r8:84ffc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc700 r8:80278fec r7:ea91de60 r6:84ffc780 r5:84d43000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:218:5063 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:218 state:D stack:0 pid:5063 tgid:5063 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eab65d84 r9:00000002 r8:60000113 r7:829171a0 r6:eab65d8c r5:84bb2400 r4:84bb2400 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84bb2400 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eab65e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8592d780 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84bb2400 r7:00000000 r6:83018600 r5:00001000 r4:7f035000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea783000 [<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) r5:859d478c r4:84fede00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859d478c r4:84fede00 [<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 r9:84bb2400 r8:84fede2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84fede00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fede00 r8:80278fec r7:eaac9e60 r6:84fedd80 r5:84bb2400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeab65fb0 to 0xeab65ff8) 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 r4:85681280 INFO: task kworker/1:218:5063 is blocked on a mutex likely owned by task kworker/1:199:4986. task:kworker/1:199 state:R running task stack:0 pid:4986 tgid:4986 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d43000 r8:80200c04 r7:ea939d54 r6:ffffffff r5:84d43000 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea939d20 to 0xea939d68) 9d20: 80673000 ebbd3000 00000001 80239bf8 7f00d000 00000001 82acb1c4 82aca5a0 9d40: 7f00d000 ebbd3000 8280c9b4 ea939d9c ea939da0 ea939d70 80230af0 80239c10 9d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea939dc0 r5:ea939e08 r4:ea939dc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874040 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d43000 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea85f000 [<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) r5:859c4f8c r4:84ffc700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c4f8c r4:84ffc700 [<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 r9:84d43000 r8:84ffc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc700 r8:80278fec r7:ea91de60 r6:84ffc780 r5:84d43000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/0:201:5065 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:201 state:D stack:0 pid:5065 tgid:5065 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:eabb1d84 r9:00000002 r8:60000113 r7:829171a0 r6:eabb1d8c r5:84bb4800 r4:84bb4800 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84bb4800 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:eabb1e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85932e80 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018405 r8:84bb4800 r7:00000000 r6:83018400 r5:00001000 r4:7f02b000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e41b0000 [<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) r5:85a0a38c r4:85935b80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:dddcfd80 r6:83018400 r5:85a0a38c r4:85935b80 [<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 r9:84bb4800 r8:85935bac r7:82804d40 r6:dddcfd80 r5:dddcfda0 r4:85935b80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85935b80 r8:80278fec r7:eab45e60 r6:84fedf80 r5:84bb4800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeabb1fb0 to 0xeabb1ff8) 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 r4:85932c00 INFO: task kworker/0:201:5065 is blocked on a mutex likely owned by task kworker/1:199:4986. task:kworker/1:199 state:R running task stack:0 pid:4986 tgid:4986 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d43000 r8:80200c04 r7:ea939d54 r6:ffffffff r5:84d43000 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea939d20 to 0xea939d68) 9d20: 806c0000 ebbd3000 00000001 80239bf8 7f00d000 00000001 82acb1c4 82aca5a0 9d40: 7f00d000 ebbd3000 8280c9b4 ea939d9c ea939da0 ea939d70 80230af0 80239c10 9d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea939dc0 r5:ea939e08 r4:ea939dc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874040 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d43000 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea85f000 [<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) r5:859c4f8c r4:84ffc700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c4f8c r4:84ffc700 [<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 r9:84d43000 r8:84ffc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc700 r8:80278fec r7:ea91de60 r6:84ffc780 r5:84d43000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:219:5070 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:219 state:D stack:0 pid:5070 tgid:5070 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea995d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea995d8c r5:84bb6000 r4:84bb6000 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84bb6000 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea995e08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857466c0 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84bb6000 r7:00000000 r6:83018600 r5:00001000 r4:7f031000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea3e9000 [<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) r5:859d7b8c r4:84fedf00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859d7b8c r4:84fedf00 [<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 r9:84bb6000 r8:84fedf2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84fedf00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84fedf00 r8:80278fec r7:eab65e60 r6:84fed480 r5:84bb6000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea995fb0 to 0xea995ff8) 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 r4:85681d40 INFO: task kworker/1:219:5070 is blocked on a mutex likely owned by task kworker/1:199:4986. task:kworker/1:199 state:R running task stack:0 pid:4986 tgid:4986 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d43000 r8:80200c04 r7:ea939d54 r6:ffffffff r5:84d43000 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea939d20 to 0xea939d68) 9d20: 80a9b000 ebbd3000 00000001 80239bf8 7f00d000 00000001 82acb1c4 82aca5a0 9d40: 7f00d000 ebbd3000 8280c9b4 ea939d9c ea939da0 ea939d70 80230af0 80239c10 9d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea939dc0 r5:ea939e08 r4:ea939dc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874040 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d43000 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea85f000 [<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) r5:859c4f8c r4:84ffc700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c4f8c r4:84ffc700 [<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 r9:84d43000 r8:84ffc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc700 r8:80278fec r7:ea91de60 r6:84ffc780 r5:84d43000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:220:5074 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:220 state:D stack:0 pid:5074 tgid:5074 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a648b0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6391c>] (__schedule) from [<81a648b0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea99dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea99dd8c r5:84bb3000 r4:84bb3000 [<81a64884>] (schedule) from [<81a64c98>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84bb3000 r4:8291719c [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a64c80>] (schedule_preempt_disabled) from [<81a67848>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a674f8>] (__mutex_lock.constprop.0) from [<81a67ff0>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea99de08 r4:00000000 [<81a67fdc>] (__mutex_lock_slowpath) from [<81a68030>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a67ff4>] (mutex_lock) from [<804ea354>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874d80 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84bb3000 r7:00000000 r6:83018600 r5:00001000 r4:7f033000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea5bf000 [<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) r5:859d5b8c r4:85873080 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859d5b8c r4:85873080 [<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 r9:84bb3000 r8:858730ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85873080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85873080 r8:80278fec r7:eab65e60 r6:85873100 r5:84bb3000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea99dfb0 to 0xea99dff8) 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 r4:856812c0 INFO: task kworker/1:220:5074 is blocked on a mutex likely owned by task kworker/1:199:4986. task:kworker/1:199 state:R running task stack:0 pid:4986 tgid:4986 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6391c>] (__schedule) from [<81a64ce4>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:84d43000 r8:80200c04 r7:ea939d54 r6:ffffffff r5:84d43000 r4:00000000 [<81a64ca4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea939d20 to 0xea939d68) 9d20: 80a9b000 ebbd3000 00000001 80239bf8 7f00d000 00000001 82acb1c4 82aca5a0 9d40: 7f00d000 ebbd3000 8280c9b4 ea939d9c ea939da0 ea939d70 80230af0 80239c10 9d60: 80000113 ffffffff r5:80000113 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea118>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9e94>] (__purge_vmap_area_lazy) from [<804ea4d0>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea939dc0 r5:ea939e08 r4:ea939dc0 [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea2ec>] (_vm_unmap_aliases) from [<804ee134>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85874040 r4:00000000 [<804edfc8>] (vfree) from [<80559050>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84d43000 r7:00000000 r6:83018600 r5:00001000 r4:7f03d000 [<80559020>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea85f000 [<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) r5:859c4f8c r4:84ffc700 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:859c4f8c r4:84ffc700 [<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 r9:84d43000 r8:84ffc72c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:84ffc700 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:84ffc700 r8:80278fec r7:ea91de60 r6:84ffc780 r5:84d43000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea939fb0 to 0xea939ff8) 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 r4:84ff4e80 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:000f0113 r5:600f0193 r4:82252568 [<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) r5:00000000 r4:00000001 [<8021f8bc>] (dump_stack) from [<81a4d534>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a4d3d4>] (nmi_cpu_backtrace) from [<81a4d680>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000000 r6:8280c690 r5:8281ae34 r4:ffffffff [<81a4d550>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:8281ba28 r8:8280c810 r7:0001eef6 r6:00007c59 r5:82abf7d4 r4:85b7480c [<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 r7:8332a300 r6:8332a300 r5:8321e000 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 r4:832c0b80 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 2820 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 : [<81a6d784>] lr : [<80a8f308>] psr: 60000013 sp : ead25eb0 ip : ead25ec0 fp : ead25ebc r10: 82959594 r9 : 00000001 r8 : 00000000 r7 : 00000117 r6 : 829594f8 r5 : 00000000 r4 : 00000001 r3 : 000013c8 r2 : 00000000 r1 : 60000013 r0 : 8411b840 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 30c5387d Table: 85947540 DAC: 00000000 Call trace: [<81a6d75c>] (_raw_spin_unlock_irqrestore) from [<80a8f308>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81a6d75c>] (_raw_spin_unlock_irqrestore) from [<80a8f308>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81a6d75c>] (_raw_spin_unlock_irqrestore) from [<80a8f308>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80a8f2e8>] (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 r5:84886000 r4:829594f8 [<802e37e0>] (nbcon_kthread_func) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:829594f8 r8:802e37e0 r7:84660580 r6:84660580 r5:84886000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xead25fb0 to 0xead25ff8) 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 r4:84737fc0