[ 189.489920] hmm_dmirror loaded THIS IS A DANGEROUS MODULE !!! [ 193.506260] DEVICE PAGE 27422 27422 (0) [ 194.132757] DEVICE PAGE 76509 76509 (0) [ 194.755164] DEVICE PAGE 104522 104522 (0) [ 220.658518] sysrq: SysRq : Show Blocked State [ 220.658598] task PC stack pid father [ 220.658601] rcu_sched D15024 8 2 0x00000000 [ 220.658609] Call Trace: [ 220.658616] __schedule+0x20b/0x6c0 [ 220.658619] schedule+0x36/0x80 [ 220.658625] rcu_gp_kthread+0x74/0x770 [ 220.658630] kthread+0x109/0x140 [ 220.658633] ? force_qs_rnp+0x180/0x180 [ 220.658636] ? kthread_park+0x60/0x60 [ 220.658640] ret_from_fork+0x22/0x30 [ 220.658642] rcu_bh D15424 9 2 0x00000000 [ 220.658648] Call Trace: [ 220.658651] __schedule+0x20b/0x6c0 [ 220.658653] schedule+0x36/0x80 [ 220.658657] rcu_gp_kthread+0x74/0x770 [ 220.658661] kthread+0x109/0x140 [ 220.658664] ? force_qs_rnp+0x180/0x180 [ 220.658667] ? kthread_park+0x60/0x60 [ 220.658670] ret_from_fork+0x22/0x30 [ 220.658698] sanity_rmem004 D13528 3948 3761 0x00000000 [ 220.658705] Call Trace: [ 220.658707] __schedule+0x20b/0x6c0 [ 220.658709] schedule+0x36/0x80 [ 220.658714] io_schedule+0x16/0x40 [ 220.658719] __lock_page+0xf2/0x130 [ 220.658722] ? page_cache_tree_insert+0x90/0x90 [ 220.658726] migrate_vma+0x48a/0xee0 [ 220.658733] dummy_migrate.isra.10+0xd9/0x110 [hmm_dmirror] [ 220.658741] ? avc_has_extended_perms+0x8e/0x480 [ 220.658745] dummy_fops_unlocked_ioctl+0x1e8/0x330 [hmm_dmirror] [ 220.658747] ? _cond_resched+0x19/0x30 [ 220.658752] ? selinux_file_ioctl+0x114/0x1e0 [ 220.658755] do_vfs_ioctl+0x96/0x5a0 [ 220.658758] SyS_ioctl+0x79/0x90 [ 220.658762] entry_SYSCALL_64_fastpath+0x13/0x94 [ 220.658764] RIP: 0033:0x7f098cf4f1e7 [ 220.658766] RSP: 002b:00007f098ae58d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 220.658768] RAX: ffffffffffffffda RBX: 00007f098ae58df0 RCX: 00007f098cf4f1e7 [ 220.658770] RDX: 00007f098ae58df0 RSI: 00000000c0104802 RDI: 0000000000000003 [ 220.658771] RBP: 00007fffd23e52d0 R08: 0000000000000000 R09: 00007f098ae59700 [ 220.658772] R10: 00007f098ae599d0 R11: 0000000000000246 R12: 00007f098ae58df8 [ 220.658773] R13: 0000000000000000 R14: 0000000000000010 R15: 00007f098ae59700 [ 220.658776] sanity_rmem004 D13528 3949 3761 0x00000000 [ 220.658781] Call Trace: [ 220.658784] __schedule+0x20b/0x6c0 [ 220.658786] schedule+0x36/0x80 [ 220.658789] io_schedule+0x16/0x40 [ 220.658793] __lock_page+0xf2/0x130 [ 220.658796] ? page_cache_tree_insert+0x90/0x90 [ 220.658799] migrate_vma+0x48a/0xee0 [ 220.658803] dummy_migrate.isra.10+0xd9/0x110 [hmm_dmirror] [ 220.658811] dummy_fops_unlocked_ioctl+0x1e8/0x330 [hmm_dmirror] [ 220.658813] ? _cond_resched+0x19/0x30 [ 220.658817] ? selinux_file_ioctl+0x114/0x1e0 [ 220.658819] do_vfs_ioctl+0x96/0x5a0 [ 220.658823] SyS_ioctl+0x79/0x90 [ 220.658826] entry_SYSCALL_64_fastpath+0x13/0x94 [ 220.658827] RIP: 0033:0x7f098cf4f1e7 [ 220.658828] RSP: 002b:00007f098b659d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 220.658831] RAX: ffffffffffffffda RBX: 00007f098b659df0 RCX: 00007f098cf4f1e7 [ 220.658832] RDX: 00007f098b659df0 RSI: 00000000c0104802 RDI: 0000000000000003 [ 220.658833] RBP: 00007fffd23e52d0 R08: 0000000000000000 R09: 00007f098b65a700 [ 220.658834] R10: 00007f098b65a9d0 R11: 0000000000000246 R12: 00007f098b659df8 [ 220.658835] R13: 0000000000000000 R14: 0000000000000010 R15: 00007f098b65a700 [ 220.658837] sanity_rmem004 D13528 3950 3761 0x00000000 [ 220.658843] Call Trace: [ 220.658845] __schedule+0x20b/0x6c0 [ 220.658847] schedule+0x36/0x80 [ 220.658850] io_schedule+0x16/0x40 [ 220.658854] __lock_page+0xf2/0x130 [ 220.658857] ? page_cache_tree_insert+0x90/0x90 [ 220.658860] migrate_vma+0x48a/0xee0 [ 220.658863] dummy_migrate.isra.10+0xd9/0x110 [hmm_dmirror] [ 220.658871] dummy_fops_unlocked_ioctl+0x1e8/0x330 [hmm_dmirror] [ 220.658873] ? _cond_resched+0x19/0x30 [ 220.658877] ? selinux_file_ioctl+0x114/0x1e0 [ 220.658880] do_vfs_ioctl+0x96/0x5a0 [ 220.658883] SyS_ioctl+0x79/0x90 [ 220.658886] entry_SYSCALL_64_fastpath+0x13/0x94 [ 220.658887] RIP: 0033:0x7f098cf4f1e7 [ 220.658888] RSP: 002b:00007f098be5ad78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 220.658890] RAX: ffffffffffffffda RBX: 0000000000000039 RCX: 00007f098cf4f1e7 [ 220.658891] RDX: 00007f098be5adf0 RSI: 00000000c0104802 RDI: 0000000000000003 [ 220.658892] RBP: 00007fffd23e52d0 R08: 0000000000000000 R09: 00007f098be5b700 [ 220.658893] R10: 00007f098be5b9d0 R11: 0000000000000246 R12: 0000000000000000 [ 220.658895] R13: 0000000000000000 R14: 00007f098be5b9c0 R15: 00007f098be5b700 [ 220.658897] sanity_rmem004 D13000 3951 3761 0x00000000 [ 220.658903] Call Trace: [ 220.658905] __schedule+0x20b/0x6c0 [ 220.658910] ? release_pages+0x279/0x380 [ 220.658911] schedule+0x36/0x80 [ 220.658915] io_schedule+0x16/0x40 [ 220.658919] __lock_page+0xf2/0x130 [ 220.658922] ? page_cache_tree_insert+0x90/0x90 [ 220.658924] migrate_vma+0x48a/0xee0 [ 220.658929] ? __kernel_map_pages+0x70/0xe0 [ 220.658933] hmm_devmem_fault_range+0x33/0x70 [hmm_dmirror] [ 220.658936] dummy_devmem_fault+0x54/0x60 [hmm_dmirror] [ 220.658941] hmm_devmem_fault+0x2e/0x30 [ 220.658945] device_private_entry_fault+0x2d/0x30 [ 220.658947] do_swap_page+0x490/0x4e0 [ 220.658951] ? __change_page_attr_set_clr+0xa80/0xc90 [ 220.658953] __handle_mm_fault+0x347/0x9d0 [ 220.658957] handle_mm_fault+0x88/0x150 [ 220.658959] hmm_vma_walk_pmd+0x2fe/0x3e0 [ 220.658963] __walk_page_range+0x1e8/0x420 [ 220.658967] walk_page_range+0x73/0xf0 [ 220.658969] hmm_vma_fault+0x180/0x260 [ 220.658971] ? hmm_vma_walk_hole+0xd0/0xd0 [ 220.658973] ? hmm_vma_get_pfns+0x1b0/0x1b0 [ 220.658976] dummy_fault+0xda/0x1f0 [hmm_dmirror] [ 220.658980] ? __kernel_map_pages+0x70/0xe0 [ 220.658985] ? __alloc_pages_nodemask+0x11b/0x240 [ 220.658988] ? dummy_pt_walk+0x209/0x2f0 [hmm_dmirror] [ 220.658991] ? dummy_update+0x60/0x60 [hmm_dmirror] [ 220.658994] dummy_fops_unlocked_ioctl+0x12c/0x330 [hmm_dmirror] [ 220.658997] do_vfs_ioctl+0x96/0x5a0 [ 220.659001] SyS_ioctl+0x79/0x90 [ 220.659004] entry_SYSCALL_64_fastpath+0x13/0x94 [ 220.659005] RIP: 0033:0x7f098cf4f1e7 [ 220.659006] RSP: 002b:00007f098ce5cc38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 220.659008] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f098cf4f1e7 [ 220.659009] RDX: 00007f098ce5ccd0 RSI: 00000000c0284800 RDI: 0000000000000003 [ 220.659010] RBP: 0000000000000000 R08: 00007f098ce5cef0 R09: 0000000000000000 [ 220.659011] R10: 00007fffd23e52d0 R11: 0000000000000246 R12: 00000000000000c8 [ 220.659012] R13: 0000000000000000 R14: 00007f098ce5ccd0 R15: 0000000000000000 [ 220.659014] sanity_rmem004 D13048 3952 3761 0x00000000 [ 220.659019] Call Trace: [ 220.659022] __schedule+0x20b/0x6c0 [ 220.659023] schedule+0x36/0x80 [ 220.659027] io_schedule+0x16/0x40 [ 220.659031] wait_on_page_bit+0xee/0x120 [ 220.659034] ? page_cache_tree_insert+0x90/0x90 [ 220.659037] __migration_entry_wait+0xe8/0x190 [ 220.659040] migration_entry_wait+0x5f/0x70 [ 220.659042] do_swap_page+0x4c7/0x4e0 [ 220.659044] __handle_mm_fault+0x347/0x9d0 [ 220.659048] handle_mm_fault+0x88/0x150 [ 220.659049] hmm_vma_walk_pmd+0x2fe/0x3e0 [ 220.659053] __walk_page_range+0x1e8/0x420 [ 220.659057] walk_page_range+0x73/0xf0 [ 220.659059] hmm_vma_fault+0x180/0x260 [ 220.659061] ? hmm_vma_walk_hole+0xd0/0xd0 [ 220.659063] ? hmm_vma_get_pfns+0x1b0/0x1b0 [ 220.659066] dummy_fault+0xda/0x1f0 [hmm_dmirror] [ 220.659070] ? __kernel_map_pages+0x70/0xe0 [ 220.659074] ? __alloc_pages_nodemask+0x11b/0x240 [ 220.659078] ? dummy_pt_walk+0x209/0x2f0 [hmm_dmirror] [ 220.659080] ? dummy_update+0x60/0x60 [hmm_dmirror] [ 220.659083] dummy_fops_unlocked_ioctl+0x12c/0x330 [hmm_dmirror] [ 220.659087] do_vfs_ioctl+0x96/0x5a0 [ 220.659090] SyS_ioctl+0x79/0x90 [ 220.659093] entry_SYSCALL_64_fastpath+0x13/0x94 [ 220.659094] RIP: 0033:0x7f098cf4f1e7 [ 220.659095] RSP: 002b:00007f098c65bc38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 220.659097] RAX: ffffffffffffffda RBX: 00007f098c65c700 RCX: 00007f098cf4f1e7 [ 220.659098] RDX: 00007f098c65bcd0 RSI: 00000000c0284800 RDI: 0000000000000003 [ 220.659099] RBP: 00007fffd23e5210 R08: 00007f098c65bef0 R09: 00007f098c65c700 [ 220.659100] R10: 00007fffd23e52d0 R11: 0000000000000246 R12: 0000000000000000 [ 220.659102] R13: 0000000000000000 R14: 00007f098c65c9c0 R15: 00007f098c65c700