[ 52.928642] hmm_dmirror loaded THIS IS A DANGEROUS MODULE !!! [ 64.367872] DEVICE PAGE 449938 449938 (0) [ 74.757473] DEVICE PAGE 923480 923480 (0) [ 85.617138] DEVICE PAGE 1460301 1460301 (0) [ 118.816301] sysrq: SysRq : Show Blocked State [ 118.816379] task PC stack pid father [ 118.816382] rcu_sched D15024 8 2 0x00000000 [ 118.816391] Call Trace: [ 118.816398] __schedule+0x20b/0x6c0 [ 118.816400] schedule+0x36/0x80 [ 118.816406] rcu_gp_kthread+0x74/0x770 [ 118.816411] kthread+0x109/0x140 [ 118.816415] ? force_qs_rnp+0x180/0x180 [ 118.816418] ? kthread_park+0x60/0x60 [ 118.816421] ret_from_fork+0x22/0x30 [ 118.816424] rcu_bh D15424 9 2 0x00000000 [ 118.816430] Call Trace: [ 118.816432] __schedule+0x20b/0x6c0 [ 118.816434] schedule+0x36/0x80 [ 118.816438] rcu_gp_kthread+0x74/0x770 [ 118.816441] kthread+0x109/0x140 [ 118.816445] ? force_qs_rnp+0x180/0x180 [ 118.816448] ? kthread_park+0x60/0x60 [ 118.816451] ret_from_fork+0x22/0x30 [ 118.816479] sanity_rmem004 D13904 3898 3897 0x00000000 [ 118.816486] Call Trace: [ 118.816488] __schedule+0x20b/0x6c0 [ 118.816490] schedule+0x36/0x80 [ 118.816493] rwsem_down_write_failed_killable+0x1f5/0x3f0 [ 118.816497] ? account_entity_enqueue+0x9d/0xc0 [ 118.816501] call_rwsem_down_write_failed_killable+0x17/0x30 [ 118.816506] ? selinux_file_mprotect+0x140/0x140 [ 118.816509] down_write_killable+0x2d/0x50 [ 118.816513] vm_mmap_pgoff+0x78/0xf0 [ 118.816518] SyS_mmap_pgoff+0x103/0x270 [ 118.816522] SyS_mmap+0x22/0x30 [ 118.816525] entry_SYSCALL_64_fastpath+0x13/0x94 [ 118.816527] RIP: 0033:0x7f42b69a187a [ 118.816529] RSP: 002b:00007fff2b4cdb48 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 118.816532] RAX: ffffffffffffffda RBX: 00007f42b4cc1700 RCX: 00007f42b69a187a [ 118.816533] RDX: 0000000000000003 RSI: 0000000000801000 RDI: 0000000000000000 [ 118.816534] RBP: 00007fff2b4cdba0 R08: 00000000ffffffff R09: 0000000000000000 [ 118.816536] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 [ 118.816537] R13: 0000000000000000 R14: 00007f42b4cc19c0 R15: 00007f42b4cc1700 [ 118.816539] sanity_rmem004 D13640 5509 3897 0x00000000 [ 118.816545] Call Trace: [ 118.816547] __schedule+0x20b/0x6c0 [ 118.816549] schedule+0x36/0x80 [ 118.816552] rwsem_down_read_failed+0x112/0x180 [ 118.816555] call_rwsem_down_read_failed+0x18/0x30 [ 118.816558] down_read+0x20/0x40 [ 118.816563] dummy_migrate.isra.10+0x43/0x110 [hmm_dmirror] [ 118.816571] dummy_fops_unlocked_ioctl+0x1e8/0x330 [hmm_dmirror] [ 118.816573] ? _cond_resched+0x19/0x30 [ 118.816577] ? selinux_file_ioctl+0x114/0x1e0 [ 118.816581] do_vfs_ioctl+0x96/0x5a0 [ 118.816584] SyS_ioctl+0x79/0x90 [ 118.816587] entry_SYSCALL_64_fastpath+0x13/0x94 [ 118.816588] RIP: 0033:0x7f42b699e1e7 [ 118.816590] RSP: 002b:00007f42b5cc2d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 118.816592] RAX: ffffffffffffffda RBX: 00007f42b5cc3700 RCX: 00007f42b699e1e7 [ 118.816593] RDX: 00007f42b5cc2e00 RSI: 00000000c0104802 RDI: 0000000000000003 [ 118.816594] RBP: 00007fff2b4cdba0 R08: 00007f42b5cc3700 R09: 00007f42b5cc3700 [ 118.816595] R10: 00007f42b5cc39d0 R11: 0000000000000246 R12: 0000000000000000 [ 118.816597] R13: 0000000000000000 R14: 00007f42b5cc39c0 R15: 00007f42b5cc3700 [ 118.816599] sanity_rmem004 D13696 5510 3897 0x00000000 [ 118.816605] Call Trace: [ 118.816607] __schedule+0x20b/0x6c0 [ 118.816609] schedule+0x36/0x80 [ 118.816613] io_schedule+0x16/0x40 [ 118.816618] __lock_page+0xf2/0x130 [ 118.816622] ? page_cache_tree_insert+0x90/0x90 [ 118.816625] migrate_vma+0x48a/0xee0 [ 118.816629] dummy_migrate.isra.10+0xd9/0x110 [hmm_dmirror] [ 118.816638] dummy_fops_unlocked_ioctl+0x1e8/0x330 [hmm_dmirror] [ 118.816640] ? _cond_resched+0x19/0x30 [ 118.816643] ? selinux_file_ioctl+0x114/0x1e0 [ 118.816646] do_vfs_ioctl+0x96/0x5a0 [ 118.816649] SyS_ioctl+0x79/0x90 [ 118.816652] entry_SYSCALL_64_fastpath+0x13/0x94 [ 118.816654] RIP: 0033:0x7f42b699e1e7 [ 118.816655] RSP: 002b:00007f42b64c3d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 118.816657] RAX: ffffffffffffffda RBX: 00007f42b64c4700 RCX: 00007f42b699e1e7 [ 118.816658] RDX: 00007f42b64c3df0 RSI: 00000000c0104802 RDI: 0000000000000003 [ 118.816659] RBP: 00007fff2b4cdba0 R08: 0000000000000000 R09: 00007f42b64c4700 [ 118.816660] R10: 00007f42b64c49d0 R11: 0000000000000246 R12: 0000000000000000 [ 118.816661] R13: 0000000000000000 R14: 00007f42b64c49c0 R15: 00007f42b64c4700 [ 118.816663] sanity_rmem004 D13696 5511 3897 0x00000000 [ 118.816670] Call Trace: [ 118.816672] __schedule+0x20b/0x6c0 [ 118.816674] schedule+0x36/0x80 [ 118.816677] io_schedule+0x16/0x40 [ 118.816681] __lock_page+0xf2/0x130 [ 118.816684] ? page_cache_tree_insert+0x90/0x90 [ 118.816687] migrate_vma+0x48a/0xee0 [ 118.816691] dummy_migrate.isra.10+0xd9/0x110 [hmm_dmirror] [ 118.816699] dummy_fops_unlocked_ioctl+0x1e8/0x330 [hmm_dmirror] [ 118.816701] ? _cond_resched+0x19/0x30 [ 118.816704] ? selinux_file_ioctl+0x114/0x1e0 [ 118.816707] do_vfs_ioctl+0x96/0x5a0 [ 118.816710] SyS_ioctl+0x79/0x90 [ 118.816713] entry_SYSCALL_64_fastpath+0x13/0x94 [ 118.816715] RIP: 0033:0x7f42b699e1e7 [ 118.816716] RSP: 002b:00007f42b54c1d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 118.816718] RAX: ffffffffffffffda RBX: 00007f42b54c2700 RCX: 00007f42b699e1e7 [ 118.816719] RDX: 00007f42b54c1df0 RSI: 00000000c0104802 RDI: 0000000000000003 [ 118.816720] RBP: 00007fff2b4cdba0 R08: 0000000000000000 R09: 00007f42b54c2700 [ 118.816721] R10: 00007f42b54c29d0 R11: 0000000000000246 R12: 0000000000000000 [ 118.816722] R13: 0000000000000000 R14: 00007f42b54c29c0 R15: 00007f42b54c2700 [ 118.816724] sanity_rmem004 D14624 5512 3897 0x00000000 [ 118.816730] Call Trace: [ 118.816732] __schedule+0x20b/0x6c0 [ 118.816734] schedule+0x36/0x80 [ 118.816737] rwsem_down_read_failed+0x112/0x180 [ 118.816740] call_rwsem_down_read_failed+0x18/0x30 [ 118.816742] down_read+0x20/0x40 [ 118.816745] dummy_fault+0x48/0x1f0 [hmm_dmirror] [ 118.816750] ? __kernel_map_pages+0x70/0xe0 [ 118.816754] ? get_page_from_freelist+0x655/0xb40 [ 118.816757] ? __alloc_pages_nodemask+0x11b/0x240 [ 118.816761] ? dummy_pt_walk+0x209/0x2f0 [hmm_dmirror] [ 118.816764] ? dummy_update+0x60/0x60 [hmm_dmirror] [ 118.816767] dummy_fops_unlocked_ioctl+0x12c/0x330 [hmm_dmirror] [ 118.816770] do_vfs_ioctl+0x96/0x5a0 [ 118.816773] SyS_ioctl+0x79/0x90 [ 118.816776] entry_SYSCALL_64_fastpath+0x13/0x94 [ 118.816777] RIP: 0033:0x7f42b699e1e7 [ 118.816778] RSP: 002b:00007f42b4cc0c38 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 118.816780] RAX: ffffffffffffffda RBX: 00007f42b4cc1700 RCX: 00007f42b699e1e7 [ 118.816781] RDX: 00007f42b4cc0cd0 RSI: 00000000c0284800 RDI: 0000000000000003 [ 118.816782] RBP: 00007fff2b4cdba0 R08: 00007f42b4cc0ef0 R09: 00007f42b4cc1700 [ 118.816784] R10: 00007fff2b4cdc60 R11: 0000000000000246 R12: 0000000000000000 [ 118.816785] R13: 0000000000000000 R14: 00007f42b4cc19c0 R15: 00007f42b4cc1700