INFO: task kworker/u4:1:11 blocked for more than 143 seconds. Not tainted 6.3.0-rc3-syzkaller-00005-g7d31677bb7b1 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:1 state:D stack:25736 pid:11 ppid:2 flags:0x00004000 Workqueue: events_unbound bpf_map_free_deferred Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0xc91/0x5770 kernel/sched/core.c:6622 schedule+0xde/0x1a0 kernel/sched/core.c:6698 exp_funnel_lock kernel/rcu/tree_exp.h:316 [inline] synchronize_rcu_expedited+0x6f8/0x770 kernel/rcu/tree_exp.h:989 synchronize_rcu+0x2f1/0x3a0 kernel/rcu/tree.c:3483 lockdep_unregister_key+0x282/0x460 kernel/locking/lockdep.c:6362 htab_map_free+0x448/0x8e0 kernel/bpf/hashtab.c:1520 bpf_map_free_deferred+0x1c0/0x430 kernel/bpf/syscall.c:704 process_one_work+0x991/0x15c0 kernel/workqueue.c:2390 worker_thread+0x669/0x1090 kernel/workqueue.c:2537 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 INFO: task kworker/u4:4:75 blocked for more than 144 seconds. Not tainted 6.3.0-rc3-syzkaller-00005-g7d31677bb7b1 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u4:4 state:D stack:25960 pid:75 ppid:2 flags:0x00004000 Workqueue: netns cleanup_net Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0xc91/0x5770 kernel/sched/core.c:6622 schedule+0xde/0x1a0 kernel/sched/core.c:6698 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6757 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa3b/0x1350 kernel/locking/mutex.c:747 fib_net_exit_batch+0x15/0xa0 net/ipv4/fib_frontend.c:1638 ops_exit_list+0x125/0x170 net/core/net_namespace.c:174 cleanup_net+0x4ee/0xb10 net/core/net_namespace.c:613 process_one_work+0x991/0x15c0 kernel/workqueue.c:2390 worker_thread+0x669/0x1090 kernel/workqueue.c:2537 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 INFO: task syz-executor.0:8955 blocked for more than 145 seconds. Not tainted 6.3.0-rc3-syzkaller-00005-g7d31677bb7b1 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:27440 pid:8955 ppid:5112 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0xc91/0x5770 kernel/sched/core.c:6622 schedule+0xde/0x1a0 kernel/sched/core.c:6698 exp_funnel_lock kernel/rcu/tree_exp.h:316 [inline] synchronize_rcu_expedited+0x6f8/0x770 kernel/rcu/tree_exp.h:989 synchronize_rcu+0x2f1/0x3a0 kernel/rcu/tree.c:3483 lockdep_unregister_key+0x282/0x460 kernel/locking/lockdep.c:6362 htab_map_alloc+0xba0/0x1640 kernel/bpf/hashtab.c:592 find_and_alloc_map kernel/bpf/syscall.c:131 [inline] map_create+0x4d3/0x18e0 kernel/bpf/syscall.c:1138 __sys_bpf+0x13b7/0x5100 kernel/bpf/syscall.c:4974 __do_sys_bpf kernel/bpf/syscall.c:5096 [inline] __se_sys_bpf kernel/bpf/syscall.c:5094 [inline] __x64_sys_bpf+0x79/0xc0 kernel/bpf/syscall.c:5094 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa98468c0f9 RSP: 002b:00007fa985450168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fa9847abf80 RCX: 00007fa98468c0f9 RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 00007fa9846e7b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa9848cfb1f R14: 00007fa985450300 R15: 0000000000022000 INFO: task syz-executor.0:8961 blocked for more than 146 seconds. Not tainted 6.3.0-rc3-syzkaller-00005-g7d31677bb7b1 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:26824 pid:8961 ppid:5112 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0xc91/0x5770 kernel/sched/core.c:6622 schedule+0xde/0x1a0 kernel/sched/core.c:6698 exp_funnel_lock kernel/rcu/tree_exp.h:316 [inline] synchronize_rcu_expedited+0x6f8/0x770 kernel/rcu/tree_exp.h:989 synchronize_rcu+0x2f1/0x3a0 kernel/rcu/tree.c:3483 lockdep_unregister_key+0x282/0x460 kernel/locking/lockdep.c:6362 htab_map_alloc+0xba0/0x1640 kernel/bpf/hashtab.c:592 find_and_alloc_map kernel/bpf/syscall.c:131 [inline] map_create+0x4d3/0x18e0 kernel/bpf/syscall.c:1138 __sys_bpf+0x13b7/0x5100 kernel/bpf/syscall.c:4974 __do_sys_bpf kernel/bpf/syscall.c:5096 [inline] __se_sys_bpf kernel/bpf/syscall.c:5094 [inline] __x64_sys_bpf+0x79/0xc0 kernel/bpf/syscall.c:5094 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa98468c0f9 RSP: 002b:00007fa98542f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fa9847ac050 RCX: 00007fa98468c0f9 RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 00007fa9846e7b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa9848cfb1f R14: 00007fa98542f300 R15: 0000000000022000 INFO: task syz-executor.0:8966 blocked for more than 147 seconds. Not tainted 6.3.0-rc3-syzkaller-00005-g7d31677bb7b1 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:27176 pid:8966 ppid:5112 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0xc91/0x5770 kernel/sched/core.c:6622 schedule+0xde/0x1a0 kernel/sched/core.c:6698 schedule_timeout+0x276/0x2b0 kernel/time/timer.c:2143 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106 __synchronize_srcu+0x19f/0x2a0 kernel/rcu/srcutree.c:1323 kvm_swap_active_memslots+0x388/0x7b0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1567 kvm_activate_memslot arch/x86/kvm/../../../virt/kvm/kvm_main.c:1697 [inline] kvm_create_memslot arch/x86/kvm/../../../virt/kvm/kvm_main.c:1763 [inline] kvm_set_memslot+0xc48/0x11d0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1875 __kvm_set_memory_region+0xedc/0x11b0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2017 kvm_set_memory_region arch/x86/kvm/../../../virt/kvm/kvm_main.c:2030 [inline] kvm_vm_ioctl_set_memory_region arch/x86/kvm/../../../virt/kvm/kvm_main.c:2042 [inline] kvm_vm_ioctl+0x5c7/0x2450 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4747 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl fs/ioctl.c:856 [inline] __x64_sys_ioctl+0x197/0x210 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa98468bee7 RSP: 002b:00007fa98540c5d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000002003d000 RCX: 00007fa98468bee7 RDX: 00007fa98540cd10 RSI: 000000004020ae46 RDI: 0000000000000004 RBP: 0000000000000004 R08: 0000000000000001 R09: 0000000000000041 R10: 0000000000000004 R11: 0000000000000246 R12: 00000000fec00000 R13: 00007fa98540cd10 R14: 000000000000000d R15: 0000000020049000 INFO: task syz-executor.0:8977 blocked for more than 148 seconds. Not tainted 6.3.0-rc3-syzkaller-00005-g7d31677bb7b1 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:27504 pid:8977 ppid:5112 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0xc91/0x5770 kernel/sched/core.c:6622 schedule+0xde/0x1a0 kernel/sched/core.c:6698 exp_funnel_lock kernel/rcu/tree_exp.h:316 [inline] synchronize_rcu_expedited+0x6f8/0x770 kernel/rcu/tree_exp.h:989 synchronize_rcu+0x2f1/0x3a0 kernel/rcu/tree.c:3483 lockdep_unregister_key+0x282/0x460 kernel/locking/lockdep.c:6362 htab_map_alloc+0xba0/0x1640 kernel/bpf/hashtab.c:592 find_and_alloc_map kernel/bpf/syscall.c:131 [inline] map_create+0x4d3/0x18e0 kernel/bpf/syscall.c:1138 __sys_bpf+0x13b7/0x5100 kernel/bpf/syscall.c:4974 __do_sys_bpf kernel/bpf/syscall.c:5096 [inline] __se_sys_bpf kernel/bpf/syscall.c:5094 [inline] __x64_sys_bpf+0x79/0xc0 kernel/bpf/syscall.c:5094 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fa98468c0f9 RSP: 002b:00007fa9853ed168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fa9847ac1f0 RCX: 00007fa98468c0f9 RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 00007fa9846e7b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa9848cfb1f R14: 00007fa9853ed300 R15: 0000000000022000 INFO: task syz-executor.1:8958 blocked for more than 149 seconds. Not tainted 6.3.0-rc3-syzkaller-00005-g7d31677bb7b1 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:28112 pid:8958 ppid:5116 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0xc91/0x5770 kernel/sched/core.c:6622 schedule+0xde/0x1a0 kernel/sched/core.c:6698 schedule_timeout+0x276/0x2b0 kernel/time/timer.c:2143 do_wait_for_common kernel/sched/completion.c:85 [inline] __wait_for_common+0x1ce/0x5c0 kernel/sched/completion.c:106 kthread_stop+0x18b/0x5b0 kernel/kthread.c:709 kvm_mmu_pre_destroy_vm+0x45/0x60 arch/x86/kvm/mmu/mmu.c:7072 kvm_destroy_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1284 [inline] kvm_put_kvm+0x255/0xae0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1344 kvm_vm_release+0x43/0x50 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1367 __fput+0x27c/0xa90 fs/file_table.c:321 task_work_run+0x16f/0x270 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1d/0x50 kernel/entry/common.c:296 do_syscall_64+0x46/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7fb5e3dfab RSP: 002b:00007f7fb60cfb80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007f7fb5e3dfab RDX: 0000001b31d20000 RSI: 00007f7fb486fb88 RDI: 0000000000000004 RBP: 00007f7fb5fad980 R08: 0000000000000000 R09: 000000007402a386 R10: 00007ffdf8577090 R11: 0000000000000293 R12: 000000000004a221 R13: 00007f7fb60cfc80 R14: 00007f7fb5fac2c0 R15: 0000000000000032 INFO: task syz-executor.1:8960 blocked for more than 150 seconds. Not tainted 6.3.0-rc3-syzkaller-00005-g7d31677bb7b1 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:27360 pid:8960 ppid:5116 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0xc91/0x5770 kernel/sched/core.c:6622 schedule+0xde/0x1a0 kernel/sched/core.c:6698 exp_funnel_lock kernel/rcu/tree_exp.h:316 [inline] synchronize_rcu_expedited+0x6f8/0x770 kernel/rcu/tree_exp.h:989 synchronize_rcu+0x2f1/0x3a0 kernel/rcu/tree.c:3483 lockdep_unregister_key+0x282/0x460 kernel/locking/lockdep.c:6362 htab_map_alloc+0xba0/0x1640 kernel/bpf/hashtab.c:592 find_and_alloc_map kernel/bpf/syscall.c:131 [inline] map_create+0x4d3/0x18e0 kernel/bpf/syscall.c:1138 __sys_bpf+0x13b7/0x5100 kernel/bpf/syscall.c:4974 __do_sys_bpf kernel/bpf/syscall.c:5096 [inline] __se_sys_bpf kernel/bpf/syscall.c:5094 [inline] __x64_sys_bpf+0x79/0xc0 kernel/bpf/syscall.c:5094 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7fb5e8c0f9 RSP: 002b:00007f7fb49fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f7fb5fabf80 RCX: 00007f7fb5e8c0f9 RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 00007f7fb5ee7b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f7fb60cfb1f R14: 00007f7fb49fe300 R15: 0000000000022000 INFO: task syz-executor.1:8964 blocked for more than 151 seconds. Not tainted 6.3.0-rc3-syzkaller-00005-g7d31677bb7b1 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:27824 pid:8964 ppid:5116 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5304 [inline] __schedule+0xc91/0x5770 kernel/sched/core.c:6622 schedule+0xde/0x1a0 kernel/sched/core.c:6698 exp_funnel_lock kernel/rcu/tree_exp.h:316 [inline] synchronize_rcu_expedited+0x6f8/0x770 kernel/rcu/tree_exp.h:989 synchronize_rcu+0x2f1/0x3a0 kernel/rcu/tree.c:3483 lockdep_unregister_key+0x282/0x460 kernel/locking/lockdep.c:6362 htab_map_alloc+0xba0/0x1640 kernel/bpf/hashtab.c:592 find_and_alloc_map kernel/bpf/syscall.c:131 [inline] map_create+0x4d3/0x18e0 kernel/bpf/syscall.c:1138 __sys_bpf+0x13b7/0x5100 kernel/bpf/syscall.c:4974 __do_sys_bpf kernel/bpf/syscall.c:5096 [inline] __se_sys_bpf kernel/bpf/syscall.c:5094 [inline] __x64_sys_bpf+0x79/0xc0 kernel/bpf/syscall.c:5094 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7fb5e8c0f9 RSP: 002b:00007f7fb49dd168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f7fb5fac050 RCX: 00007f7fb5e8c0f9 RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000000 RBP: 00007f7fb5ee7b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f7fb60cfb1f R14: 00007f7fb49dd300 R15: 0000000000022000