Warning: Permanently added '10.128.0.179' (ECDSA) to the list of known hosts. [ 45.187197] random: sshd: uninitialized urandom read (32 bytes read) [ 45.304949] audit: type=1400 audit(1580274149.065:36): avc: denied { map } for pid=7359 comm="syz-executor641" path="/root/syz-executor641225552" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 45.335260] FAULT_INJECTION: forcing a failure. [ 45.335260] name failslab, interval 1, probability 0, space 0, times 1 [ 45.338287] FAULT_INJECTION: forcing a failure. [ 45.338287] name failslab, interval 1, probability 0, space 0, times 1 [ 45.349566] CPU: 0 PID: 7373 Comm: syz-executor641 Not tainted 4.14.168-syzkaller #0 [ 45.366116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.375462] Call Trace: [ 45.378042] dump_stack+0x142/0x197 [ 45.381661] should_fail.cold+0x10f/0x159 [ 45.385817] should_failslab+0xdb/0x130 [ 45.389788] kmem_cache_alloc_trace+0x2e9/0x790 [ 45.394455] ? __lockdep_init_map+0x10c/0x570 [ 45.398956] ? cancel_delayed_work_sync+0x20/0x20 [ 45.403812] __kthread_create_on_node+0xe3/0x3e0 [ 45.408596] ? kmem_cache_alloc_node_trace+0x5e2/0x770 [ 45.413881] ? kthread_park+0x140/0x140 [ 45.417859] ? save_trace+0x290/0x290 [ 45.421652] ? kmem_cache_alloc_node_trace+0x5e2/0x770 [ 45.427036] ? cancel_delayed_work_sync+0x20/0x20 [ 45.431868] kthread_create_on_node+0xa8/0xd0 [ 45.436365] ? __kthread_create_on_node+0x3e0/0x3e0 [ 45.441673] ? kmem_cache_alloc_node_trace+0x379/0x770 [ 45.446961] __alloc_workqueue_key+0xac3/0xec0 [ 45.451580] ? workqueue_sysfs_register+0x3c0/0x3c0 [ 45.456610] ? mutex_trylock+0x1c0/0x1c0 [ 45.460677] nbd_start_device+0x169/0xc50 [ 45.464815] nbd_ioctl+0x43d/0xb30 [ 45.468341] ? nbd_add_socket+0x5e0/0x5e0 [ 45.472507] ? lock_downgrade+0x740/0x740 [ 45.476661] ? nbd_add_socket+0x5e0/0x5e0 [ 45.480891] blkdev_ioctl+0x95f/0x1850 [ 45.484771] ? blkpg_ioctl+0x970/0x970 [ 45.488667] ? __might_sleep+0x93/0xb0 [ 45.492576] ? __fget+0x210/0x370 [ 45.496030] block_ioctl+0xde/0x120 [ 45.499669] ? blkdev_fallocate+0x3b0/0x3b0 [ 45.503463] block nbd2: shutting down sockets [ 45.503988] do_vfs_ioctl+0x7ae/0x1060 [ 45.504001] ? selinux_file_mprotect+0x5d0/0x5d0 [ 45.517201] ? lock_downgrade+0x740/0x740 [ 45.521361] ? ioctl_preallocate+0x1c0/0x1c0 [ 45.525772] ? __fget+0x237/0x370 [ 45.529223] ? security_file_ioctl+0x7d/0xb0 [ 45.533649] ? security_file_ioctl+0x89/0xb0 [ 45.538046] SyS_ioctl+0x8f/0xc0 [ 45.541530] ? do_vfs_ioctl+0x1060/0x1060 [ 45.545809] do_syscall_64+0x1e8/0x640 [ 45.549796] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.554746] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.559930] RIP: 0033:0x44a7c9 [ 45.563115] RSP: 002b:00007f406a60dcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.570847] RAX: ffffffffffffffda RBX: 00007f406a60dcc0 RCX: 000000000044a7c9 [ 45.578114] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 45.585401] RBP: 0000000000000008 R08: 0000000000000001 R09: 0000000000000039 [ 45.592672] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 45.599935] R13: 00007ffeba1d255f R14: 00007f406a60e9c0 R15: 0000000000000000 [ 45.607224] CPU: 1 PID: 7379 Comm: syz-executor641 Not tainted 4.14.168-syzkaller #0 [ 45.609852] block nbd5: Could not allocate knbd recv work queue. [ 45.615113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.615117] Call Trace: [ 45.615133] dump_stack+0x142/0x197 [ 45.615147] should_fail.cold+0x10f/0x159 [ 45.615160] should_failslab+0xdb/0x130 [ 45.615169] kmem_cache_alloc_trace+0x2e9/0x790 [ 45.615179] ? __lockdep_init_map+0x10c/0x570 [ 45.615192] ? cancel_delayed_work_sync+0x20/0x20 [ 45.615201] __kthread_create_on_node+0xe3/0x3e0 [ 45.615210] ? kthread_park+0x140/0x140 [ 45.615221] ? save_trace+0x290/0x290 [ 45.623974] block nbd5: shutting down sockets [ 45.630752] ? cancel_delayed_work_sync+0x20/0x20 [ 45.630763] kthread_create_on_node+0xa8/0xd0 [ 45.630773] ? __kthread_create_on_node+0x3e0/0x3e0 [ 45.630788] ? kmem_cache_alloc_node_trace+0x379/0x770 [ 45.630798] ? check_preemption_disabled+0x3c/0x250 [ 45.630814] __alloc_workqueue_key+0xac3/0xec0 [ 45.630827] ? workqueue_sysfs_register+0x3c0/0x3c0 [ 45.630838] ? mutex_trylock+0x1c0/0x1c0 [ 45.630853] nbd_start_device+0x169/0xc50 [ 45.720317] nbd_ioctl+0x43d/0xb30 [ 45.723901] ? nbd_add_socket+0x5e0/0x5e0 [ 45.728071] ? lock_downgrade+0x740/0x740 [ 45.732217] ? nbd_add_socket+0x5e0/0x5e0 [ 45.736390] blkdev_ioctl+0x95f/0x1850 [ 45.740259] ? blkpg_ioctl+0x970/0x970 [ 45.744143] ? __might_sleep+0x93/0xb0 [ 45.748019] ? __fget+0x210/0x370 [ 45.751484] block_ioctl+0xde/0x120 [ 45.755097] ? blkdev_fallocate+0x3b0/0x3b0 [ 45.759412] do_vfs_ioctl+0x7ae/0x1060 [ 45.763285] ? selinux_file_mprotect+0x5d0/0x5d0 [ 45.768023] ? lock_downgrade+0x740/0x740 [ 45.772168] ? ioctl_preallocate+0x1c0/0x1c0 [ 45.776567] ? __fget+0x237/0x370 [ 45.780027] ? security_file_ioctl+0x7d/0xb0 [ 45.784425] ? security_file_ioctl+0x89/0xb0 [ 45.788833] SyS_ioctl+0x8f/0xc0 [ 45.792187] ? do_vfs_ioctl+0x1060/0x1060 [ 45.796321] do_syscall_64+0x1e8/0x640 [ 45.800190] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.805027] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.810209] RIP: 0033:0x44a7c9 [ 45.813388] RSP: 002b:00007f406a60dcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.821260] RAX: ffffffffffffffda RBX: 00007f406a60dcc0 RCX: 000000000044a7c9 [ 45.828513] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 45.835767] RBP: 0000000000000008 R08: 0000000000000001 R09: 0000000000000039 [ 45.843019] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 45.850417] R13: 00007ffeba1d255f R14: 00007f406a60e9c0 R15: 0000000000000000 [ 45.858112] block nbd0: Could not allocate knbd recv work queue. [ 45.865029] block nbd0: shutting down sockets [ 45.870827] FAULT_INJECTION: forcing a failure. [ 45.870827] name failslab, interval 1, probability 0, space 0, times 0 [ 45.870848] FAULT_INJECTION: forcing a failure. [ 45.870848] name failslab, interval 1, probability 0, space 0, times 0 [ 45.882898] CPU: 1 PID: 7370 Comm: syz-executor641 Not tainted 4.14.168-syzkaller #0 [ 45.894273] FAULT_INJECTION: forcing a failure. [ 45.894273] name failslab, interval 1, probability 0, space 0, times 0 [ 45.901920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.901924] Call Trace: [ 45.901942] dump_stack+0x142/0x197 [ 45.901955] should_fail.cold+0x10f/0x159 [ 45.901966] should_failslab+0xdb/0x130 [ 45.901978] kmem_cache_alloc_node_trace+0x280/0x770 [ 45.920185] FAULT_INJECTION: forcing a failure. [ 45.920185] name failslab, interval 1, probability 0, space 0, times 0 [ 45.922615] ? find_next_bit+0x28/0x30 [ 45.922628] __kmalloc_node+0x3d/0x80 [ 45.922640] blk_mq_realloc_hw_ctxs+0x1bf/0xe80 [ 45.965787] blk_mq_update_nr_hw_queues+0x1c9/0x3a0 [ 45.970804] nbd_start_device+0x1d7/0xc50 [ 45.975220] nbd_ioctl+0x43d/0xb30 [ 45.978770] ? nbd_add_socket+0x5e0/0x5e0 [ 45.982926] ? lock_downgrade+0x740/0x740 [ 45.987382] ? nbd_add_socket+0x5e0/0x5e0 [ 45.991549] blkdev_ioctl+0x95f/0x1850 [ 45.995443] ? blkpg_ioctl+0x970/0x970 [ 45.999340] ? __might_sleep+0x93/0xb0 [ 46.003224] ? __fget+0x210/0x370 [ 46.006682] block_ioctl+0xde/0x120 [ 46.010307] ? blkdev_fallocate+0x3b0/0x3b0 [ 46.014649] do_vfs_ioctl+0x7ae/0x1060 [ 46.018536] ? selinux_file_mprotect+0x5d0/0x5d0 [ 46.023289] ? lock_downgrade+0x740/0x740 [ 46.027430] ? ioctl_preallocate+0x1c0/0x1c0 [ 46.031830] ? __fget+0x237/0x370 [ 46.035388] ? security_file_ioctl+0x7d/0xb0 [ 46.039803] ? security_file_ioctl+0x89/0xb0 [ 46.044205] SyS_ioctl+0x8f/0xc0 [ 46.047577] ? do_vfs_ioctl+0x1060/0x1060 [ 46.051728] do_syscall_64+0x1e8/0x640 [ 46.055621] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.060580] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.065759] RIP: 0033:0x44a7c9 [ 46.068933] RSP: 002b:00007f406a60dcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.076631] RAX: ffffffffffffffda RBX: 00007f406a60dcc0 RCX: 000000000044a7c9 [ 46.083900] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 46.091254] RBP: 0000000000000008 R08: 0000000000000001 R09: 0000000000000039 [ 46.098601] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 46.105870] R13: 00007ffeba1d255f R14: 00007f406a60e9c0 R15: 0000000000000000 [ 46.113157] CPU: 0 PID: 7369 Comm: syz-executor641 Not tainted 4.14.168-syzkaller #0 [ 46.113709] FAULT_INJECTION: forcing a failure. [ 46.113709] name failslab, interval 1, probability 0, space 0, times 0 [ 46.121045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.121050] Call Trace: [ 46.121066] dump_stack+0x142/0x197 [ 46.121079] should_fail.cold+0x10f/0x159 [ 46.121090] should_failslab+0xdb/0x130 [ 46.121098] kmem_cache_alloc_node_trace+0x280/0x770 [ 46.121106] ? find_next_bit+0x28/0x30 [ 46.121118] __kmalloc_node+0x3d/0x80 [ 46.168762] blk_mq_realloc_hw_ctxs+0x1bf/0xe80 [ 46.173440] blk_mq_update_nr_hw_queues+0x1c9/0x3a0 [ 46.178441] nbd_start_device+0x1d7/0xc50 [ 46.182581] nbd_ioctl+0x43d/0xb30 [ 46.186108] ? nbd_add_socket+0x5e0/0x5e0 [ 46.190265] ? lock_downgrade+0x740/0x740 [ 46.194427] ? nbd_add_socket+0x5e0/0x5e0 [ 46.198578] blkdev_ioctl+0x95f/0x1850 [ 46.202463] ? blkpg_ioctl+0x970/0x970 [ 46.206338] ? __might_sleep+0x93/0xb0 [ 46.210215] ? __fget+0x210/0x370 [ 46.213652] block_ioctl+0xde/0x120 [ 46.217271] ? blkdev_fallocate+0x3b0/0x3b0 [ 46.221592] do_vfs_ioctl+0x7ae/0x1060 [ 46.225488] ? selinux_file_mprotect+0x5d0/0x5d0 [ 46.230233] ? lock_downgrade+0x740/0x740 [ 46.234383] ? ioctl_preallocate+0x1c0/0x1c0 [ 46.238778] ? __fget+0x237/0x370 [ 46.242231] ? security_file_ioctl+0x7d/0xb0 [ 46.246623] ? security_file_ioctl+0x89/0xb0 [ 46.251017] SyS_ioctl+0x8f/0xc0 [ 46.254367] ? do_vfs_ioctl+0x1060/0x1060 [ 46.258500] do_syscall_64+0x1e8/0x640 [ 46.262378] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.267207] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.272380] RIP: 0033:0x44a7c9 [ 46.275553] RSP: 002b:00007f406a60dcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.283245] RAX: ffffffffffffffda RBX: 00007f406a60dcc0 RCX: 000000000044a7c9 [ 46.290633] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 46.297900] RBP: 0000000000000008 R08: 0000000000000001 R09: 0000000000000039 [ 46.305173] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 46.312428] R13: 00007ffeba1d255f R14: 00007f406a60e9c0 R15: 0000000000000000 [ 46.319792] CPU: 1 PID: 7387 Comm: syz-executor641 Not tainted 4.14.168-syzkaller #0 [ 46.327682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.337074] Call Trace: [ 46.339662] dump_stack+0x142/0x197 [ 46.343286] should_fail.cold+0x10f/0x159 [ 46.347440] should_failslab+0xdb/0x130 [ 46.351417] kmem_cache_alloc_node_trace+0x280/0x770 [ 46.356505] ? find_next_bit+0x28/0x30 [ 46.360380] __kmalloc_node+0x3d/0x80 [ 46.364168] blk_mq_realloc_hw_ctxs+0x1bf/0xe80 [ 46.369699] blk_mq_update_nr_hw_queues+0x1c9/0x3a0 [ 46.374801] nbd_start_device+0x1d7/0xc50 [ 46.378961] nbd_ioctl+0x43d/0xb30 [ 46.382508] ? nbd_add_socket+0x5e0/0x5e0 [ 46.386680] ? lock_downgrade+0x740/0x740 [ 46.390842] ? nbd_add_socket+0x5e0/0x5e0 [ 46.395000] blkdev_ioctl+0x95f/0x1850 [ 46.398890] ? blkpg_ioctl+0x970/0x970 [ 46.402878] ? __might_sleep+0x93/0xb0 [ 46.406762] ? __fget+0x210/0x370 [ 46.410211] block_ioctl+0xde/0x120 [ 46.413840] ? blkdev_fallocate+0x3b0/0x3b0 [ 46.420088] do_vfs_ioctl+0x7ae/0x1060 [ 46.423971] ? selinux_file_mprotect+0x5d0/0x5d0 [ 46.428726] ? lock_downgrade+0x740/0x740 [ 46.432968] ? ioctl_preallocate+0x1c0/0x1c0 [ 46.437375] ? __fget+0x237/0x370 [ 46.440817] ? security_file_ioctl+0x7d/0xb0 [ 46.445208] ? security_file_ioctl+0x89/0xb0 [ 46.449615] SyS_ioctl+0x8f/0xc0 [ 46.453056] ? do_vfs_ioctl+0x1060/0x1060 [ 46.457198] do_syscall_64+0x1e8/0x640 [ 46.461074] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.466001] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.471175] RIP: 0033:0x44a7c9 [ 46.474353] RSP: 002b:00007f406a60dcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.482055] RAX: ffffffffffffffda RBX: 00007f406a60dcc0 RCX: 000000000044a7c9 [ 46.489322] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 46.496582] RBP: 0000000000000008 R08: 0000000000000001 R09: 0000000000000039 [ 46.503835] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 46.511087] R13: 00007ffeba1d255f R14: 00007f406a60e9c0 R15: 0000000000000000 [ 46.518886] CPU: 0 PID: 7384 Comm: syz-executor641 Not tainted 4.14.168-syzkaller #0 [ 46.527660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.537414] Call Trace: [ 46.539997] dump_stack+0x142/0x197 [ 46.543619] should_fail.cold+0x10f/0x159 [ 46.547884] should_failslab+0xdb/0x130 [ 46.551865] kmem_cache_alloc_node_trace+0x280/0x770 [ 46.557135] ? find_next_bit+0x28/0x30 [ 46.561015] __kmalloc_node+0x3d/0x80 [ 46.564807] blk_mq_realloc_hw_ctxs+0x1bf/0xe80 [ 46.569466] blk_mq_update_nr_hw_queues+0x1c9/0x3a0 [ 46.574468] nbd_start_device+0x1d7/0xc50 [ 46.578604] nbd_ioctl+0x43d/0xb30 [ 46.582132] ? nbd_add_socket+0x5e0/0x5e0 [ 46.586266] ? lock_downgrade+0x740/0x740 [ 46.590406] ? nbd_add_socket+0x5e0/0x5e0 [ 46.594550] blkdev_ioctl+0x95f/0x1850 [ 46.598419] ? blkpg_ioctl+0x970/0x970 [ 46.602306] ? __might_sleep+0x93/0xb0 [ 46.606187] ? __fget+0x210/0x370 [ 46.609627] block_ioctl+0xde/0x120 [ 46.613245] ? blkdev_fallocate+0x3b0/0x3b0 [ 46.617567] do_vfs_ioctl+0x7ae/0x1060 [ 46.621477] ? selinux_file_mprotect+0x5d0/0x5d0 [ 46.626238] ? lock_downgrade+0x740/0x740 [ 46.630999] ? ioctl_preallocate+0x1c0/0x1c0 [ 46.632046] BUG: unable to handle kernel NULL pointer dereference [ 46.635412] ? __fget+0x237/0x370 [ 46.635424] ? security_file_ioctl+0x7d/0xb0 [ 46.641656] at 0000000000000120 [ 46.645089] ? security_file_ioctl+0x89/0xb0 [ 46.649489] IP: blk_mq_map_swqueue+0x25e/0x9c0 [ 46.652831] SyS_ioctl+0x8f/0xc0 [ 46.657228] PGD a82be067 [ 46.661798] ? do_vfs_ioctl+0x1060/0x1060 [ 46.665136] P4D a82be067 [ 46.667876] do_syscall_64+0x1e8/0x640 [ 46.671994] PUD 9b8ff067 [ 46.674767] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.678640] PMD 0 [ 46.681399] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.688358] RIP: 0033:0x44a7c9 [ 46.693520] Oops: 0002 [#1] PREEMPT SMP KASAN [ 46.696686] RSP: 002b:00007f406a60dcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.701174] Modules linked in: [ 46.708866] RAX: ffffffffffffffda RBX: 00007f406a60dcc0 RCX: 000000000044a7c9 [ 46.712036] CPU: 1 PID: 7370 Comm: syz-executor641 Not tainted 4.14.168-syzkaller #0 [ 46.719310] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 46.727168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.734424] RBP: 0000000000000008 R08: 0000000000000001 R09: 0000000000000039 [ 46.743756] task: ffff8880a7b866c0 task.stack: ffff888092d38000 [ 46.751004] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 46.757053] RIP: 0010:blk_mq_map_swqueue+0x25e/0x9c0 [ 46.765509] R13: 00007ffeba1d255f R14: 00007f406a60e9c0 R15: 0000000000000000 [ 46.770589] RSP: 0018:ffff888092d3fa48 EFLAGS: 00010297 [ 46.783198] RAX: ffff8880a7b866c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 46.790453] RDX: 0000000000000000 RSI: ffff8880a41eb440 RDI: ffff8880a41eb448 [ 46.797713] RBP: ffff888092d3fac0 R08: 0000000000000000 R09: 0000000000000000 [ 46.804969] R10: dffffc0000000000 R11: ffff888092d3f8e0 R12: 0000000000000001 [ 46.812226] R13: ffff8880a41f7580 R14: dffffc0000000000 R15: ffff8880a4372440 [ 46.819477] FS: 00007f406a60e700(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 [ 46.827681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.833538] CR2: 0000000000000120 CR3: 00000000a8e0d000 CR4: 00000000001406e0 [ 46.840888] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.848150] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.855410] Call Trace: [ 46.857986] ? __mutex_unlock_slowpath+0x737/0x800 [ 46.862914] blk_mq_update_nr_hw_queues+0x21c/0x3a0 [ 46.868067] nbd_start_device+0x1d7/0xc50 [ 46.872260] nbd_ioctl+0x43d/0xb30 [ 46.875785] ? nbd_add_socket+0x5e0/0x5e0 [ 46.880906] ? lock_downgrade+0x740/0x740 [ 46.885055] ? nbd_add_socket+0x5e0/0x5e0 [ 46.889193] blkdev_ioctl+0x95f/0x1850 [ 46.893062] ? blkpg_ioctl+0x970/0x970 [ 46.896947] ? __might_sleep+0x93/0xb0 [ 46.900929] ? __fget+0x210/0x370 [ 46.904382] block_ioctl+0xde/0x120 [ 46.907993] ? blkdev_fallocate+0x3b0/0x3b0 [ 46.912747] do_vfs_ioctl+0x7ae/0x1060 [ 46.916633] ? selinux_file_mprotect+0x5d0/0x5d0 [ 46.921431] ? lock_downgrade+0x740/0x740 [ 46.925713] ? ioctl_preallocate+0x1c0/0x1c0 [ 46.930120] ? __fget+0x237/0x370 [ 46.933575] ? security_file_ioctl+0x7d/0xb0 [ 46.938018] ? security_file_ioctl+0x89/0xb0 [ 46.942421] SyS_ioctl+0x8f/0xc0 [ 46.945830] ? do_vfs_ioctl+0x1060/0x1060 [ 46.949964] do_syscall_64+0x1e8/0x640 [ 46.953846] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.958680] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.963860] RIP: 0033:0x44a7c9 [ 46.967123] RSP: 002b:00007f406a60dcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.974947] RAX: ffffffffffffffda RBX: 00007f406a60dcc0 RCX: 000000000044a7c9 [ 46.982261] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 46.989666] RBP: 0000000000000008 R08: 0000000000000001 R09: 0000000000000039 [ 46.997147] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 47.004485] R13: 00007ffeba1d255f R14: 00007f406a60e9c0 R15: 0000000000000000 [ 47.011773] Code: ea 03 42 80 3c 32 00 0f 85 94 06 00 00 41 83 fc 3f 48 8b 17 0f 87 4b 04 00 00 48 89 55 c8 48 89 45 d0 e8 26 59 5d fe 48 8b 55 c8 48 0f ab 9a 20 01 00 00 48 8d ba 78 01 00 00 48 8b 45 d0 48 [ 47.030965] RIP: blk_mq_map_swqueue+0x25e/0x9c0 RSP: ffff888092d3fa48 [ 47.037538] CR2: 0000000000000120 [ 47.041054] BUG: unable to handle kernel NULL pointer dereference at 0000000000000120 [ 47.041402] CPU: 1 PID: 7378 Comm: syz-executor641 Tainted: G D 4.14.168-syzkaller #0 [ 47.049045] IP: blk_mq_map_swqueue+0x25e/0x9c0 [ 47.058140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.062712] PGD a039e067 [ 47.072141] Call Trace: [ 47.072150] P4D a039e067 [ 47.074898] dump_stack+0x142/0x197 [ 47.077459] PUD 9738b067 [ 47.080201] should_fail.cold+0x10f/0x159 [ 47.083799] PMD 0 [ 47.086561] should_failslab+0xdb/0x130 [ 47.092819] kmem_cache_alloc_node_trace+0x280/0x770 [ 47.096768] Oops: 0002 [#2] PREEMPT SMP KASAN [ 47.101853] ? find_next_bit+0x28/0x30 [ 47.106321] Modules linked in: [ 47.110191] __kmalloc_node+0x3d/0x80 [ 47.113361] CPU: 0 PID: 7369 Comm: syz-executor641 Tainted: G D 4.14.168-syzkaller #0 [ 47.117141] blk_mq_realloc_hw_ctxs+0x1bf/0xe80 [ 47.126214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.130867] blk_mq_update_nr_hw_queues+0x1c9/0x3a0 [ 47.140195] task: ffff88807f0cc080 task.stack: ffff88808fa60000 [ 47.145213] nbd_start_device+0x1d7/0xc50 [ 47.151249] RIP: 0010:blk_mq_map_swqueue+0x25e/0x9c0 [ 47.155374] nbd_ioctl+0x43d/0xb30 [ 47.160458] RSP: 0018:ffff88808fa67a48 EFLAGS: 00010297 [ 47.164065] ? nbd_add_socket+0x5e0/0x5e0 [ 47.164075] ? lock_downgrade+0x740/0x740 [ 47.169427] RAX: ffff88807f0cc080 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.173559] ? nbd_add_socket+0x5e0/0x5e0 [ 47.177682] RDX: 0000000000000000 RSI: ffff8880a43d2d00 RDI: ffff8880a43d2d08 [ 47.184933] blkdev_ioctl+0x95f/0x1850 [ 47.189058] RBP: ffff88808fa67ac0 R08: 0000000000000000 R09: 0000000000000001 [ 47.196309] ? blkpg_ioctl+0x970/0x970 [ 47.200185] R10: dffffc0000000000 R11: ffff88808fa678e0 R12: 0000000000000001 [ 47.207441] ? retint_kernel+0x2d/0x2d [ 47.211304] R13: ffff8880a43cd840 R14: dffffc0000000000 R15: ffff8880a3c24480 [ 47.218560] block_ioctl+0xde/0x120 [ 47.222431] FS: 00007f406a60e700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 [ 47.229700] ? blkdev_fallocate+0x3b0/0x3b0 [ 47.233341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.241683] do_vfs_ioctl+0x7ae/0x1060 [ 47.246137] CR2: 0000000000000120 CR3: 000000008e249000 CR4: 00000000001406f0 [ 47.252035] ? selinux_file_mprotect+0x5d0/0x5d0 [ 47.255909] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.263165] ? lock_downgrade+0x740/0x740 [ 47.267900] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.275153] ? ioctl_preallocate+0x1c0/0x1c0 [ 47.279273] Call Trace: [ 47.286530] ? __fget+0x237/0x370 [ 47.290921] ? __mutex_unlock_slowpath+0x737/0x800 [ 47.293483] ? security_file_ioctl+0x7d/0xb0 [ 47.297617] blk_mq_update_nr_hw_queues+0x21c/0x3a0 [ 47.302522] ? security_file_ioctl+0x89/0xb0 [ 47.306911] nbd_start_device+0x1d7/0xc50 [ 47.312089] SyS_ioctl+0x8f/0xc0 [ 47.316477] nbd_ioctl+0x43d/0xb30 [ 47.320600] ? do_vfs_ioctl+0x1060/0x1060 [ 47.323948] ? nbd_add_socket+0x5e0/0x5e0 [ 47.327563] do_syscall_64+0x1e8/0x640 [ 47.331684] ? lock_downgrade+0x740/0x740 [ 47.335819] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.339697] ? nbd_add_socket+0x5e0/0x5e0 [ 47.343823] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.348640] blkdev_ioctl+0x95f/0x1850 [ 47.352763] RIP: 0033:0x44a7c9 [ 47.357930] ? blkpg_ioctl+0x970/0x970 [ 47.361792] RSP: 002b:00007f406a60dcb8 EFLAGS: 00000246 [ 47.364983] ? __might_sleep+0x93/0xb0 [ 47.368841] ORIG_RAX: 0000000000000010 [ 47.374184] ? __fget+0x210/0x370 [ 47.378046] RAX: ffffffffffffffda RBX: 00007f406a60dcc0 RCX: 000000000044a7c9 [ 47.382004] block_ioctl+0xde/0x120 [ 47.385432] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 47.392683] ? blkdev_fallocate+0x3b0/0x3b0 [ 47.396286] RBP: 0000000000000008 R08: 0000000000000001 R09: 0000000000000039 [ 47.403681] do_vfs_ioctl+0x7ae/0x1060 [ 47.407983] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 47.415274] ? selinux_file_mprotect+0x5d0/0x5d0 [ 47.419154] R13: 00007ffeba1d255f R14: 00007f406a60e9c0 R15: 0000000000000000 [ 47.426424] ? lock_downgrade+0x740/0x740 [ 47.442757] ? ioctl_preallocate+0x1c0/0x1c0 [ 47.447294] ? __fget+0x237/0x370 [ 47.450743] ? security_file_ioctl+0x7d/0xb0 [ 47.455142] ? security_file_ioctl+0x89/0xb0 [ 47.459781] SyS_ioctl+0x8f/0xc0 [ 47.463185] ? do_vfs_ioctl+0x1060/0x1060 [ 47.467319] do_syscall_64+0x1e8/0x640 [ 47.471237] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.478938] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.484112] RIP: 0033:0x44a7c9 [ 47.487340] RSP: 002b:00007f406a60dcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.495262] RAX: ffffffffffffffda RBX: 00007f406a60dcc0 RCX: 000000000044a7c9 [ 47.502513] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 47.509763] RBP: 0000000000000008 R08: 0000000000000001 R09: 0000000000000039 [ 47.517143] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 47.524408] R13: 00007ffeba1d255f R14: 00007f406a60e9c0 R15: 0000000000000000 [ 47.531709] Code: ea 03 42 80 3c 32 00 0f 85 94 06 00 00 41 83 fc 3f 48 8b 17 0f 87 4b 04 00 00 48 89 55 c8 48 89 45 d0 e8 26 59 5d fe 48 8b 55 c8 48 0f ab 9a 20 01 00 00 48 8d ba 78 01 00 00 48 8b 45 d0 48 [ 47.550800] RIP: blk_mq_map_swqueue+0x25e/0x9c0 RSP: ffff88808fa67a48 [ 47.557355] CR2: 0000000000000120 [ 47.560842] BUG: unable to handle kernel NULL pointer dereference at 0000000000000120 [ 47.568897] IP: blk_mq_map_swqueue+0x25e/0x9c0 [ 47.573472] PGD 8d3e4067 P4D 8d3e4067 PUD 8c541067 PMD 0 [ 47.578995] Oops: 0002 [#3] PREEMPT SMP KASAN [ 47.583479] Modules linked in: [ 47.586671] CPU: 1 PID: 7387 Comm: syz-executor641 Tainted: G D 4.14.168-syzkaller #0 [ 47.595747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.605084] task: ffff88808da5e180 task.stack: ffff8880a50d8000 [ 47.611126] RIP: 0010:blk_mq_map_swqueue+0x25e/0x9c0 [ 47.616218] RSP: 0018:ffff8880a50dfa48 EFLAGS: 00010297 [ 47.621598] RAX: ffff88808da5e180 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.628866] RDX: 0000000000000000 RSI: ffff8880a43d2480 RDI: ffff8880a43d2488 [ 47.636212] RBP: ffff8880a50dfac0 R08: 0000000000000000 R09: 0000000000000001 [ 47.643565] R10: dffffc0000000000 R11: ffff8880a50df8e0 R12: 0000000000000001 [ 47.650824] R13: ffff888218feea00 R14: dffffc0000000000 R15: ffff8880a3cc64c0 [ 47.658078] FS: 00007f406a60e700(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 [ 47.666284] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.672145] CR2: 0000000000000120 CR3: 00000000a8e14000 CR4: 00000000001406e0 [ 47.679394] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.686696] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.694159] Call Trace: [ 47.696746] ? __mutex_unlock_slowpath+0x737/0x800 [ 47.701696] blk_mq_update_nr_hw_queues+0x21c/0x3a0 [ 47.706724] nbd_start_device+0x1d7/0xc50 [ 47.710857] nbd_ioctl+0x43d/0xb30 [ 47.714377] ? nbd_add_socket+0x5e0/0x5e0 [ 47.718524] ? lock_downgrade+0x740/0x740 [ 47.722660] ? nbd_add_socket+0x5e0/0x5e0 [ 47.726887] blkdev_ioctl+0x95f/0x1850 [ 47.730837] ? blkpg_ioctl+0x970/0x970 [ 47.734702] ? __might_sleep+0x93/0xb0 [ 47.738571] ? __fget+0x210/0x370 [ 47.742018] block_ioctl+0xde/0x120 [ 47.745688] ? blkdev_fallocate+0x3b0/0x3b0 [ 47.750044] do_vfs_ioctl+0x7ae/0x1060 [ 47.753917] ? selinux_file_mprotect+0x5d0/0x5d0 [ 47.758652] ? lock_downgrade+0x740/0x740 [ 47.762781] ? ioctl_preallocate+0x1c0/0x1c0 [ 47.767172] ? __fget+0x237/0x370 [ 47.770737] ? security_file_ioctl+0x7d/0xb0 [ 47.775132] ? security_file_ioctl+0x89/0xb0 [ 47.779917] SyS_ioctl+0x8f/0xc0 [ 47.783275] ? do_vfs_ioctl+0x1060/0x1060 [ 47.787406] do_syscall_64+0x1e8/0x640 [ 47.791723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.796550] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.801731] RIP: 0033:0x44a7c9 [ 47.804895] RSP: 002b:00007f406a60dcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.812580] RAX: ffffffffffffffda RBX: 00007f406a60dcc0 RCX: 000000000044a7c9 [ 47.819830] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 47.827078] RBP: 0000000000000008 R08: 0000000000000001 R09: 0000000000000039 [ 47.834326] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 47.841575] R13: 00007ffeba1d255f R14: 00007f406a60e9c0 R15: 0000000000000000 [ 47.848836] Code: ea 03 42 80 3c 32 00 0f 85 94 06 00 00 41 83 fc 3f 48 8b 17 0f 87 4b 04 00 00 48 89 55 c8 48 89 45 d0 e8 26 59 5d fe 48 8b 55 c8 48 0f ab 9a 20 01 00 00 48 8d ba 78 01 00 00 48 8b 45 d0 48 [ 47.867908] RIP: blk_mq_map_swqueue+0x25e/0x9c0 RSP: ffff8880a50dfa48 [ 47.874476] CR2: 0000000000000120 [ 47.877947] BUG: unable to handle kernel NULL pointer dereference at 0000000000000120 [ 47.885929] IP: blk_mq_map_swqueue+0x25e/0x9c0 [ 47.890513] PGD a836e067 P4D a836e067 PUD 99571067 PMD 0 [ 47.896036] Oops: 0002 [#4] PREEMPT SMP KASAN [ 47.900509] Modules linked in: [ 47.903681] CPU: 0 PID: 7384 Comm: syz-executor641 Tainted: G D 4.14.168-syzkaller #0 [ 47.913741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.923072] task: ffff88809b3700c0 task.stack: ffff888081e78000 [ 47.929111] RIP: 0010:blk_mq_map_swqueue+0x25e/0x9c0 [ 47.934209] RSP: 0018:ffff888081e7fa48 EFLAGS: 00010297 [ 47.939548] RAX: ffff88809b3700c0 RBX: 0000000000000001 RCX: 0000000000000000 [ 47.946797] RDX: 0000000000000000 RSI: ffff8880a41eb000 RDI: ffff8880a41eb008 [ 47.954130] RBP: ffff888081e7fac0 R08: 0000000000000000 R09: 0000000000000001 [ 47.961378] R10: dffffc0000000000 R11: ffff888081e7f8e0 R12: 0000000000000001 [ 47.968727] R13: ffff888218fee500 R14: dffffc0000000000 R15: ffff8880a3c24ff0 [ 47.975976] FS: 00007f406a60e700(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 [ 47.984179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.990037] CR2: 0000000000000120 CR3: 0000000098855000 CR4: 00000000001406f0 [ 47.997288] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.004535] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.011794] Call Trace: [ 48.014379] ? __mutex_unlock_slowpath+0x737/0x800 [ 48.019293] blk_mq_update_nr_hw_queues+0x21c/0x3a0 [ 48.024340] nbd_start_device+0x1d7/0xc50 [ 48.028473] nbd_ioctl+0x43d/0xb30 [ 48.031991] ? nbd_add_socket+0x5e0/0x5e0 [ 48.036119] ? lock_downgrade+0x740/0x740 [ 48.040244] ? nbd_add_socket+0x5e0/0x5e0 [ 48.044369] blkdev_ioctl+0x95f/0x1850 [ 48.048237] ? blkpg_ioctl+0x970/0x970 [ 48.052103] ? __might_sleep+0x93/0xb0 [ 48.055970] ? __fget+0x210/0x370 [ 48.059400] block_ioctl+0xde/0x120 [ 48.063144] ? blkdev_fallocate+0x3b0/0x3b0 [ 48.067620] do_vfs_ioctl+0x7ae/0x1060 [ 48.071485] ? selinux_file_mprotect+0x5d0/0x5d0 [ 48.076232] ? lock_downgrade+0x740/0x740 [ 48.080891] ? ioctl_preallocate+0x1c0/0x1c0 [ 48.085275] ? __fget+0x237/0x370 [ 48.088722] ? security_file_ioctl+0x7d/0xb0 [ 48.093105] ? security_file_ioctl+0x89/0xb0 [ 48.097490] SyS_ioctl+0x8f/0xc0 [ 48.100832] ? do_vfs_ioctl+0x1060/0x1060 [ 48.104960] do_syscall_64+0x1e8/0x640 [ 48.108826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.113647] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.118814] RIP: 0033:0x44a7c9 [ 48.122169] RSP: 002b:00007f406a60dcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.129869] RAX: ffffffffffffffda RBX: 00007f406a60dcc0 RCX: 000000000044a7c9 [ 48.137119] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 48.144369] RBP: 0000000000000008 R08: 0000000000000001 R09: 0000000000000039 [ 48.151631] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 48.158891] R13: 00007ffeba1d255f R14: 00007f406a60e9c0 R15: 0000000000000000 [ 48.166167] Code: ea 03 42 80 3c 32 00 0f 85 94 06 00 00 41 83 fc 3f 48 8b 17 0f 87 4b 04 00 00 48 89 55 c8 48 89 45 d0 e8 26 59 5d fe 48 8b 55 c8 48 0f ab 9a 20 01 00 00 48 8d ba 78 01 00 00 48 8b 45 d0 48 [ 48.185400] RIP: blk_mq_map_swqueue+0x25e/0x9c0 RSP: ffff888081e7fa48 [ 48.191991] CR2: 0000000000000120 [ 48.195467] BUG: unable to handle kernel NULL pointer dereference at 0000000000000120 [ 48.197848] ---[ end trace 052934a9dbd92cde ]--- [ 48.203475] IP: blk_mq_map_swqueue+0x25e/0x9c0 [ 48.203480] PGD 9337d067 P4D 9337d067 PUD a9883067 PMD 0 [ 48.203493] Oops: 0002 [#5] PREEMPT SMP KASAN [ 48.203498] Modules linked in: [ 48.203510] CPU: 1 PID: 7378 Comm: syz-executor641 Tainted: G D 4.14.168-syzkaller #0 [ 48.208325] Kernel panic - not syncing: Fatal exception [ 48.212833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.249839] task: ffff88809ae4a640 task.stack: ffff888089778000 [ 48.255904] RIP: 0010:blk_mq_map_swqueue+0x25e/0x9c0 [ 48.260994] RSP: 0018:ffff88808977fa48 EFLAGS: 00010297 [ 48.266356] RAX: ffff88809ae4a640 RBX: 0000000000000001 RCX: 0000000000000000 [ 48.273613] RDX: 0000000000000000 RSI: ffff8880a43d2900 RDI: ffff8880a43d2908 [ 48.280880] RBP: ffff88808977fac0 R08: 0000000000000000 R09: 0000000000000001 [ 48.288134] R10: dffffc0000000000 R11: ffff88808977f8e0 R12: 0000000000000001 [ 48.295401] R13: ffff8880a43cd340 R14: dffffc0000000000 R15: ffff8880a3cc7030 [ 48.302657] FS: 00007f406a60e700(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 [ 48.310867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.316750] CR2: 0000000000000120 CR3: 0000000093bf4000 CR4: 00000000001406e0 [ 48.324105] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.331361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.338613] Call Trace: [ 48.341229] ? __mutex_unlock_slowpath+0x737/0x800 [ 48.346159] blk_mq_update_nr_hw_queues+0x21c/0x3a0 [ 48.351161] nbd_start_device+0x1d7/0xc50 [ 48.355294] nbd_ioctl+0x43d/0xb30 [ 48.358920] ? nbd_add_socket+0x5e0/0x5e0 [ 48.363050] ? lock_downgrade+0x740/0x740 [ 48.367185] ? nbd_add_socket+0x5e0/0x5e0 [ 48.371421] blkdev_ioctl+0x95f/0x1850 [ 48.375294] ? blkpg_ioctl+0x970/0x970 [ 48.379167] ? retint_kernel+0x2d/0x2d [ 48.383040] block_ioctl+0xde/0x120 [ 48.386687] ? blkdev_fallocate+0x3b0/0x3b0 [ 48.391001] do_vfs_ioctl+0x7ae/0x1060 [ 48.394874] ? selinux_file_mprotect+0x5d0/0x5d0 [ 48.399612] ? lock_downgrade+0x740/0x740 [ 48.403748] ? ioctl_preallocate+0x1c0/0x1c0 [ 48.408142] ? __fget+0x237/0x370 [ 48.411593] ? security_file_ioctl+0x7d/0xb0 [ 48.416119] ? security_file_ioctl+0x89/0xb0 [ 48.420533] SyS_ioctl+0x8f/0xc0 [ 48.423925] ? do_vfs_ioctl+0x1060/0x1060 [ 48.428076] do_syscall_64+0x1e8/0x640 [ 48.431964] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.436796] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.442057] RIP: 0033:0x44a7c9 [ 48.445244] RSP: 002b:00007f406a60dcb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.453037] RAX: ffffffffffffffda RBX: 00007f406a60dcc0 RCX: 000000000044a7c9 [ 48.460303] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000005 [ 48.467559] RBP: 0000000000000008 R08: 0000000000000001 R09: 0000000000000039 [ 48.474831] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc6c [ 48.482103] R13: 00007ffeba1d255f R14: 00007f406a60e9c0 R15: 0000000000000000 [ 48.489369] Code: ea 03 42 80 3c 32 00 0f 85 94 06 00 00 41 83 fc 3f 48 8b 17 0f 87 4b 04 00 00 48 89 55 c8 48 89 45 d0 e8 26 59 5d fe 48 8b 55 c8 48 0f ab 9a 20 01 00 00 48 8d ba 78 01 00 00 48 8b 45 d0 48 [ 48.508523] RIP: blk_mq_map_swqueue+0x25e/0x9c0 RSP: ffff88808977fa48 [ 48.515305] CR2: 0000000000000120 [ 48.520089] Kernel Offset: disabled [ 48.523767] Rebooting in 86400 seconds..