INFO: task kworker/1:0:23 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:0 pid:23 tgid:23 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:df879d84 r9:00000002 r8:60000113 r7:829171a0 r6:df879d8c r5:8321a400 r4:8321a400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8321a400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df879e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8517eb80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8321a400 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea477000 [<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) r5:85489f8c r4:830bfb80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85489f8c r4:830bfb80 [<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 r9:8321a400 r8:830bfbac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:830bfb80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:830bfb80 r8:80278fec r7:df819d50 r6:830bfc00 r5:8321a400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf879fb0 to 0xdf879ff8) 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 r4:830ccc40 INFO: task kworker/1:0:23 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: b4e0d000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 INFO: task kworker/1:1:3108 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack:0 pid:3108 tgid:3108 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:df849d84 r9:00000002 r8:60000013 r7:829171a0 r6:df849d8c r5:83ff1800 r4:83ff1800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:83ff1800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:df849e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:8539cdc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:83ff1800 r7:00000000 r6:83018600 r5:00001000 r4:7f059000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e81a7000 [<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) r5:8548ab8c r4:850af080 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8548ab8c r4:850af080 [<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 r9:83ff1800 r8:850af0ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:850af080 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:850af080 r8:80278fec r7:ea699e60 r6:832a1d80 r5:83ff1800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdf849fb0 to 0xdf849ff8) 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 r4:8519d240 INFO: task kworker/1:1:3108 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: b566a000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 INFO: task kworker/1:5:4060 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:5 state:D stack:0 pid:4060 tgid:4060 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfec9d84 r9:00000002 r8:60000113 r7:829171a0 r6:dfec9d8c r5:84b48c00 r4:84b48c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:84b48c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfec9e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855c6d00 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:84b48c00 r7:00000000 r6:83018600 r5:00001000 r4:7f065000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea4d3000 [<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) r5:8556978c r4:853a0300 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8556978c r4:853a0300 [<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 r9:84b48c00 r8:853a032c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:853a0300 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:853a0300 r8:80278fec r7:df849e60 r6:8521a380 r5:84b48c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfec9fb0 to 0xdfec9ff8) 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 r4:853a1900 INFO: task kworker/1:5:4060 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: b5bf8000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 INFO: task kworker/1:6:4066 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:6 state:D stack:0 pid:4066 tgid:4066 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea2c1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea2c1d8c r5:851d0c00 r4:851d0c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:851d0c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea2c1e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85428ac0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:851d0c00 r7:00000000 r6:83018600 r5:00001000 r4:7f04b000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfb51000 [<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) r5:856ecf8c r4:853a0100 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:856ecf8c r4:853a0100 [<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 r9:851d0c00 r8:853a012c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:853a0100 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:853a0100 r8:80278fec r7:dfec9e60 r6:853a0380 r5:851d0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea2c1fb0 to 0xea2c1ff8) 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 r4:853a9540 INFO: task kworker/1:6:4066 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: b677b000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 INFO: task kworker/1:7:4068 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:7 state:D stack:0 pid:4068 tgid:4068 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea2e5d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea2e5d8c r5:851d5400 r4:851d5400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:851d5400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea2e5e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85676940 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:851d5400 r7:00000000 r6:83018600 r5:00001000 r4:7f05f000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea30d000 [<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) r5:8556b38c r4:853a0000 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8556b38c r4:853a0000 [<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 r9:851d5400 r8:853a002c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:853a0000 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:853a0000 r8:80278fec r7:dfec9e60 r6:853a0480 r5:851d5400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea2e5fb0 to 0xea2e5ff8) 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 r4:853a82c0 INFO: task kworker/1:7:4068 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: b7123000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 INFO: task kworker/1:8:4069 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:8 state:D stack:0 pid:4069 tgid:4069 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea2f1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea2f1d8c r5:851d6000 r4:851d6000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:851d6000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea2f1e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85455940 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:851d6000 r7:00000000 r6:83018600 r5:00001000 r4:7f04d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfef0000 [<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) r5:8532638c r4:853a0280 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8532638c r4:853a0280 [<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 r9:851d6000 r8:853a02ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:853a0280 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:853a0280 r8:80278fec r7:dfec9e60 r6:853a0580 r5:851d6000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea2f1fb0 to 0xea2f1ff8) 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 r4:853a8a00 INFO: task kworker/1:8:4069 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: b7e18000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 INFO: task kworker/1:63:4243 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:63 state:D stack:0 pid:4243 tgid:4243 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:dfa79d84 r9:00000002 r8:60000013 r7:829171a0 r6:dfa79d8c r5:85608c00 r4:85608c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85608c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:dfa79e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85676bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85608c00 r7:00000000 r6:83018600 r5:00001000 r4:7f05b000 [<80559058>] (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) r5:85801f8c r4:85671200 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85801f8c r4:85671200 [<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 r9:85608c00 r8:8567122c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85671200 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85671200 r8:80278fec r7:dfecde60 r6:8566f680 r5:85608c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xdfa79fb0 to 0xdfa79ff8) 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 r4:8566a680 INFO: task kworker/1:63:4243 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: b85f5000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 INFO: task kworker/1:70:4257 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:70 state:D stack:0 pid:4257 tgid:4257 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea215d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea215d8c r5:85603000 r4:85603000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85603000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea215e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856763c0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85603000 r7:00000000 r6:83018600 r5:00001000 r4:7f05d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea26d000 [<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) r5:8580238c r4:85671800 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8580238c r4:85671800 [<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 r9:85603000 r8:8567182c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85671800 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85671800 r8:80278fec r7:dfa79e60 r6:85671980 r5:85603000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea215fb0 to 0xea215ff8) 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 r4:85697cc0 INFO: task kworker/1:70:4257 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: b9cc0000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 INFO: task kworker/1:72:4261 blocked for more than 430 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:72 state:D stack:0 pid:4261 tgid:4261 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea295d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea295d8c r5:857f0c00 r4:857f0c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:857f0c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea295e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85665980 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:857f0c00 r7:00000000 r6:83018600 r5:00001000 r4:7f061000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea3ab000 [<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) r5:85485b8c r4:85671d00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85485b8c r4:85671d00 [<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 r9:857f0c00 r8:85671d2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85671d00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85671d00 r8:80278fec r7:dfa79e60 r6:85671d80 r5:857f0c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea295fb0 to 0xea295ff8) 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 r4:8566a500 INFO: task kworker/1:72:4261 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: b9cc0000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 INFO: task kworker/1:73:4311 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:73 state:D stack:0 pid:4311 tgid:4311 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:e00add84 r9:00000002 r8:60000113 r7:829171a0 r6:e00add8c r5:85183000 r4:85183000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85183000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:e00ade08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84633b80 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85183000 r7:00000000 r6:83018600 r5:00001000 r4:7f051000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dffc7000 [<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) r5:8548af8c r4:8567bb80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8548af8c r4:8567bb80 [<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 r9:85183000 r8:8567bbac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:8567bb80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:8567bb80 r8:80278fec r7:dfa79e60 r6:8567bc00 r5:85183000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xe00adfb0 to 0xe00adff8) 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 r4:85676e00 INFO: task kworker/1:73:4311 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: b9cc0000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:74:4360 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:74 state:D stack:0 pid:4360 tgid:4360 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea235d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea235d8c r5:85511800 r4:85511800 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85511800 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea235e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85676400 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85511800 r7:00000000 r6:83018600 r5:00001000 r4:7f045000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa53000 [<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) r5:85801b8c r4:85675400 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85801b8c r4:85675400 [<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 r9:85511800 r8:8567542c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85675400 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85675400 r8:80278fec r7:e00ade60 r6:85675480 r5:85511800 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea235fb0 to 0xea235ff8) 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 r4:85669080 INFO: task kworker/1:74:4360 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: b9cc0000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:75:4362 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:75 state:D stack:0 pid:4362 tgid:4362 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea23dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea23dd8c r5:85512400 r4:85512400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85512400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea23de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857be080 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85512400 r7:00000000 r6:83018600 r5:00001000 r4:7f057000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e415b000 [<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) r5:8459238c r4:85675300 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8459238c r4:85675300 [<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 r9:85512400 r8:8567532c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85675300 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85675300 r8:80278fec r7:e00ade60 r6:85675580 r5:85512400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea23dfb0 to 0xea23dff8) 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 r4:8567f880 INFO: task kworker/1:75:4362 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: bd972000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:76:4363 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:76 state:D stack:0 pid:4363 tgid:4363 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea3f5d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea3f5d8c r5:85513000 r4:85513000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85513000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea3f5e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84580ac0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85513000 r7:00000000 r6:83018600 r5:00001000 r4:7f055000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e00e5000 [<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) r5:8459338c r4:85675680 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8459338c r4:85675680 [<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 r9:85513000 r8:856756ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85675680 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85675680 r8:80278fec r7:e00ade60 r6:85675700 r5:85513000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3f5fb0 to 0xea3f5ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:8567f880 INFO: task kworker/1:76:4363 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: bddea000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:77:4366 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:77 state:D stack:0 pid:4366 tgid:4366 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea27dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea27dd8c r5:85513c00 r4:85513c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85513c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea27de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:855d2440 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85513c00 r7:00000000 r6:83018600 r5:00001000 r4:7f047000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:df93d000 [<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) r5:85569b8c r4:85675880 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569b8c r4:85675880 [<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 r9:85513c00 r8:856758ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85675880 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85675880 r8:80278fec r7:e00ade60 r6:85675980 r5:85513c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea27dfb0 to 0xea27dff8) 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 r4:8566d340 INFO: task kworker/1:77:4366 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: be252000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:78:4368 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:78 state:D stack:0 pid:4368 tgid:4368 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea301d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea301d8c r5:85515400 r4:85515400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85515400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea301e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85692840 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85515400 r7:00000000 r6:83018600 r5:00001000 r4:7f04f000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dff2f000 [<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) r5:8459138c r4:85675b80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8459138c r4:85675b80 [<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 r9:85515400 r8:85675bac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85675b80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85675b80 r8:80278fec r7:ea27de60 r6:85675b00 r5:85515400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea301fb0 to 0xea301ff8) 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 r4:8568e040 INFO: task kworker/1:78:4368 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: be511000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:79:4370 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:79 state:D stack:0 pid:4370 tgid:4370 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea33dd84 r9:00000002 r8:60000013 r7:829171a0 r6:ea33dd8c r5:85516000 r4:85516000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85516000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea33de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856928c0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85516000 r7:00000000 r6:83018600 r5:00001000 r4:7f053000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:e0043000 [<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) r5:85568b8c r4:85675c80 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85568b8c r4:85675c80 [<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 r9:85516000 r8:85675cac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85675c80 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85675c80 r8:80278fec r7:ea27de60 r6:85675d00 r5:85516000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea33dfb0 to 0xea33dff8) 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 r4:85694980 INFO: task kworker/1:79:4370 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: be850000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:80:4373 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:80 state:D stack:0 pid:4373 tgid:4373 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea329d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea329d8c r5:85516c00 r4:85516c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85516c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea329e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:857bce40 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85516c00 r7:00000000 r6:83018600 r5:00001000 r4:7f049000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:dfa2d000 [<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) r5:856ecb8c r4:85675e00 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:856ecb8c r4:85675e00 [<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 r9:85516c00 r8:85675e2c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85675e00 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85675e00 r8:80278fec r7:ea27de60 r6:85675e80 r5:85516c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea329fb0 to 0xea329ff8) 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 r4:85699040 INFO: task kworker/1:80:4373 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: be850000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:81:4405 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:81 state:D stack:0 pid:4405 tgid:4405 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea3a1d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea3a1d8c r5:85585400 r4:85585400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85585400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea3a1e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:84ad63c0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85585400 r7:00000000 r6:83018600 r5:00001000 r4:7f071000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:eaa29000 [<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) r5:856ef78c r4:85675280 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:856ef78c r4:85675280 [<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 r9:85585400 r8:856752ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85675280 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85675280 r8:80278fec r7:ea329e60 r6:8567d380 r5:85585400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3a1fb0 to 0xea3a1ff8) 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 r4:85660640 INFO: task kworker/1:81:4405 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: bea53000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:83:4413 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:83 state:D stack:0 pid:4413 tgid:4413 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea3e5d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea3e5d8c r5:85610000 r4:85610000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85610000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea3e5e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a6c00 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85610000 r7:00000000 r6:83018600 r5:00001000 r4:7f067000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea579000 [<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) r5:8556938c r4:85688100 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8556938c r4:85688100 [<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 r9:85610000 r8:8568812c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85688100 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85688100 r8:80278fec r7:ea3a1e60 r6:85688180 r5:85610000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e5fb0 to 0xea3e5ff8) 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 r4:856865c0 INFO: task kworker/1:83:4413 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: beb3b000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:84:4415 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:84 state:D stack:0 pid:4415 tgid:4415 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea415d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea415d8c r5:85518c00 r4:85518c00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85518c00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea415e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:85141800 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85518c00 r7:00000000 r6:83018600 r5:00001000 r4:7f06f000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea949000 [<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) r5:856ed38c r4:85688380 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:856ed38c r4:85688380 [<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 r9:85518c00 r8:856883ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85688380 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85688380 r8:80278fec r7:ea3e5e60 r6:85688400 r5:85518c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea415fb0 to 0xea415ff8) 5fa0: 00000000 00000000 00000000 00000000 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85686900 INFO: task kworker/1:84:4415 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: befa5000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:85:4417 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:85 state:D stack:0 pid:4417 tgid:4417 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea441d84 r9:00000002 r8:60000113 r7:829171a0 r6:ea441d8c r5:85518000 r4:85518000 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:85518000 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea441e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856ce640 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85518000 r7:00000000 r6:83018600 r5:00001000 r4:7f06d000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea7c3000 [<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) r5:8556a78c r4:85688300 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8556a78c r4:85688300 [<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 r9:85518000 r8:8568832c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85688300 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85688300 r8:80278fec r7:ea3e5e60 r6:85688500 r5:85518000 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea441fb0 to 0xea441ff8) 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 r4:85686a80 INFO: task kworker/1:85:4417 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: befeb000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:86:4419 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:86 state:D stack:0 pid:4419 tgid:4419 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea359d84 r9:00000002 r8:60000013 r7:829171a0 r6:ea359d8c r5:8551a400 r4:8551a400 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8551a400 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea359e08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:854183c0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8551a400 r7:00000000 r6:83018600 r5:00001000 r4:7f06b000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea6c9000 [<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) r5:8556bf8c r4:85688680 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8556bf8c r4:85688680 [<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 r9:8551a400 r8:856886ac r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85688680 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85688680 r8:80278fec r7:ea3e5e60 r6:85688700 r5:8551a400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea359fb0 to 0xea359ff8) 9fa0: 00000000 00000000 00000000 00000000 9fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 9fe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:85686cc0 INFO: task kworker/1:86:4419 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: befeb000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings INFO: task kworker/1:87:4421 blocked for more than 431 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:87 state:D stack:0 pid:4421 tgid:4421 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a657d0>] (__schedule_loop kernel/sched/core.c:7011 [inline]) [<81a6483c>] (__schedule) from [<81a657d0>] (schedule+0x2c/0x130 kernel/sched/core.c:7026) r10:ea32dd84 r9:00000002 r8:60000113 r7:829171a0 r6:ea32dd8c r5:8551bc00 r4:8551bc00 [<81a657a4>] (schedule) from [<81a65bb8>] (schedule_preempt_disabled+0x18/0x24 kernel/sched/core.c:7083) r5:8551bc00 r4:8291719c [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock_common kernel/locking/mutex.c:676 [inline]) [<81a65ba0>] (schedule_preempt_disabled) from [<81a68768>] (__mutex_lock.constprop.0+0x350/0xa24 kernel/locking/mutex.c:760) [<81a68418>] (__mutex_lock.constprop.0) from [<81a68f10>] (__mutex_lock_slowpath+0x14/0x18 kernel/locking/mutex.c:1049) r10:8280c960 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:ea32de08 r4:00000000 [<81a68efc>] (__mutex_lock_slowpath) from [<81a68f50>] (mutex_lock+0x3c/0x40 kernel/locking/mutex.c:274) [<81a68f14>] (mutex_lock) from [<804ea37c>] (_vm_unmap_aliases+0x68/0x240 mm/vmalloc.c:2918) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:856ce180 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:8551bc00 r7:00000000 r6:83018600 r5:00001000 r4:7f069000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea62f000 [<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) r5:8556838c r4:85688900 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:8556838c r4:85688900 [<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 r9:8551bc00 r8:8568892c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85688900 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85688900 r8:80278fec r7:ea3e5e60 r6:85688980 r5:8551bc00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea32dfb0 to 0xea32dff8) dfa0: 00000000 00000000 00000000 00000000 dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:802800e0 r4:856861c0 INFO: task kworker/1:87:4421 is blocked on a mutex likely owned by task kworker/1:82:4411. task:kworker/1:82 state:R running task stack:0 pid:4411 tgid:4411 ppid:2 task_flags:0x4208060 flags:0x00000000 Workqueue: events bpf_prog_free_deferred Call trace: [<81a6483c>] (__schedule) from [<81a65c04>] (preempt_schedule_irq+0x40/0xa8 kernel/sched/core.c:7256) r10:8280c9b4 r9:85510c00 r8:80200c04 r7:ea3e9d54 r6:ffffffff r5:85510c00 r4:00000000 [<81a65bc4>] (preempt_schedule_irq) from [<80200c24>] (svc_preempt+0x8/0x18) Exception stack(0xea3e9d20 to 0xea3e9d68) 9d20: bf2ec000 ebd51000 00000001 80239bf8 7f045000 00000001 82acb1c4 82aca5a0 9d40: 7f045000 ebd51000 8280c9b4 ea3e9d9c ea3e9da0 ea3e9d70 80230af0 80239c10 9d60: 80000013 ffffffff r5:80000013 r4:80239c10 [<80230a8c>] (flush_tlb_kernel_range) from [<804ea140>] (__purge_vmap_area_lazy+0x284/0x458 mm/vmalloc.c:2342) r4:82acb1e4 [<804e9ebc>] (__purge_vmap_area_lazy) from [<804ea4f8>] (_vm_unmap_aliases+0x1e4/0x240 mm/vmalloc.c:2957) r10:00000000 r9:00000000 r8:00000000 r7:ffffffff r6:ea3e9dc0 r5:ea3e9e08 r4:ea3e9dc0 [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vm_reset_perms mm/vmalloc.c:3349 [inline]) [<804ea314>] (_vm_unmap_aliases) from [<804ee15c>] (vfree+0x16c/0x210 mm/vmalloc.c:3428) r10:83016170 r9:00000001 r8:00000000 r7:ffffffff r6:00000000 r5:853a8bc0 r4:00000000 [<804edff0>] (vfree) from [<80559088>] (execmem_free+0x30/0x50 mm/execmem.c:503) r9:83018605 r8:85510c00 r7:00000000 r6:83018600 r5:00001000 r4:7f063000 [<80559058>] (execmem_free) from [<803c5fb0>] (bpf_jit_free_exec+0x10/0x14 kernel/bpf/core.c:1052) r5:00001000 r4:ea401000 [<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) r5:85569f8c r4:85672500 [<803c72f8>] (bpf_prog_free_deferred) from [<802785a0>] (process_one_work+0x1b4/0x4f4 kernel/workqueue.c:3263) r7:ddde3d80 r6:83018600 r5:85569f8c r4:85672500 [<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 r9:85510c00 r8:8567252c r7:82804d40 r6:ddde3d80 r5:ddde3da0 r4:85672500 [<80278fec>] (worker_thread) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:85672500 r8:80278fec r7:ea329e60 r6:8567a600 r5:85510c00 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xea3e9fb0 to 0xea3e9ff8) 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 r4:856987c0 Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT Hardware name: ARM-Versatile Express Call trace: [<80201a24>] (dump_backtrace) from [<80201b20>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257) r7:00000000 r6:00070113 r5:60070193 r4:8225282c [<80201b08>] (show_stack) from [<8021f8f8>] (__dump_stack lib/dump_stack.c:94 [inline]) [<80201b08>] (show_stack) from [<8021f8f8>] (dump_stack_lvl+0x70/0x7c lib/dump_stack.c:120) [<8021f888>] (dump_stack_lvl) from [<8021f91c>] (dump_stack+0x18/0x1c lib/dump_stack.c:129) r5:00000001 r4:00000001 [<8021f904>] (dump_stack) from [<81a4e454>] (nmi_cpu_backtrace+0x160/0x17c lib/nmi_backtrace.c:113) [<81a4e2f4>] (nmi_cpu_backtrace) from [<81a4e5a0>] (nmi_trigger_cpumask_backtrace+0x130/0x1d8 lib/nmi_backtrace.c:62) r7:00000001 r6:8280c690 r5:8281ae34 r4:ffffffff [<81a4e470>] (nmi_trigger_cpumask_backtrace) from [<802304fc>] (arch_trigger_cpumask_backtrace+0x18/0x1c arch/arm/kernel/smp.c:852) r9:8281ba28 r8:8280c810 r7:00026b69 r6:00007be1 r5:82abf7d4 r4:853ac80c [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (check_hung_uninterruptible_tasks kernel/hung_task.c:332 [inline]) [<802304e4>] (arch_trigger_cpumask_backtrace) from [<8037faf8>] (watchdog+0x5d0/0x850 kernel/hung_task.c:495) [<8037f528>] (watchdog) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:00000000 r8:8037f528 r7:832a1b00 r6:832a1b00 r5:832e8c00 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 r4:83330040 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 2819 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 : [<81a6e6a4>] lr : [<80a8f60c>] psr: 60000113 sp : eac85eb0 ip : eac85ec0 fp : eac85ebc r10: 82959594 r9 : 00000000 r8 : 00000000 r7 : 00000117 r6 : 829594f8 r5 : 00000000 r4 : 00000001 r3 : 00000d5a r2 : 00000000 r1 : 60000113 r0 : 84286440 Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user Control: 30c5387d Table: 85d17dc0 DAC: fffffffd Call trace: [<81a6e67c>] (_raw_spin_unlock_irqrestore) from [<80a8f60c>] (spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]) [<81a6e67c>] (_raw_spin_unlock_irqrestore) from [<80a8f60c>] (__uart_port_unlock_irqrestore include/linux/serial_core.h:616 [inline]) [<81a6e67c>] (_raw_spin_unlock_irqrestore) from [<80a8f60c>] (pl011_console_device_unlock+0x20/0x24 drivers/tty/serial/amba-pl011.c:2603) [<80a8f5ec>] (pl011_console_device_unlock) from [<802e3750>] (nbcon_emit_one+0x88/0x100 kernel/printk/nbcon.c:1142) [<802e36c8>] (nbcon_emit_one) from [<802e3970>] (nbcon_kthread_func+0x1a8/0x2a4 kernel/printk/nbcon.c:1229) r6:8280c690 r5:84b4d400 r4:829594f8 [<802e37c8>] (nbcon_kthread_func) from [<8028020c>] (kthread+0x12c/0x280 kernel/kthread.c:463) r10:00000000 r9:829594f8 r8:802e37c8 r7:848f6e80 r6:848f6e80 r5:84b4d400 r4:00000001 [<802800e0>] (kthread) from [<80200114>] (ret_from_fork+0x14/0x20 arch/arm/kernel/entry-common.S:137) Exception stack(0xeac85fb0 to 0xeac85ff8) 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 r4:84123540