VPS: Can't find an adfs filesystem on dev nullb0. VPS: Can't find an adfs filesystem on dev nullb0. BFS-fs: bfs_fill_super(): Inode 0x00000002 corrupted Bluetooth: hci5 command 0x0406 tx timeout Bluetooth: hci1 command 0x0406 tx timeout INFO: task syz-executor.2:10408 blocked for more than 140 seconds. Not tainted 4.14.232-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D29320 10408 10063 0x00000000 Call Trace: context_switch kernel/sched/core.c:2808 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3384 schedule+0x8d/0x1b0 kernel/sched/core.c:3428 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893 SYSC_acct kernel/acct.c:285 [inline] SyS_acct+0x65/0x850 kernel/acct.c:273 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665f9 RSP: 002b:00007f3f91395188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a3 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00000000004bfce1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffc08f2744f R14: 00007f3f91395300 R15: 0000000000022000 INFO: task syz-executor.1:14081 blocked for more than 140 seconds. Not tainted 4.14.232-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D28520 14081 10428 0x00000004 Call Trace: context_switch kernel/sched/core.c:2808 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3384 schedule+0x8d/0x1b0 kernel/sched/core.c:3428 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893 SYSC_acct kernel/acct.c:285 [inline] SyS_acct+0x65/0x850 kernel/acct.c:273 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665f9 RSP: 002b:00007fea79854188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a3 RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00000000004bfce1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007fffb47d1a6f R14: 00007fea79854300 R15: 0000000000022000 INFO: task syz-executor.1:14088 blocked for more than 140 seconds. Not tainted 4.14.232-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.1 D29096 14088 10428 0x00000004 Call Trace: context_switch kernel/sched/core.c:2808 [inline] __schedule+0x88b/0x1de0 kernel/sched/core.c:3384 schedule+0x8d/0x1b0 kernel/sched/core.c:3428 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3486 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893 SYSC_acct kernel/acct.c:285 [inline] SyS_acct+0x65/0x850 kernel/acct.c:273 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665f9 RSP: 002b:00007fea79833188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a3 RAX: ffffffffffffffda RBX: 000000000056c008 RCX: 00000000004665f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00000000004bfce1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c008 R13: 00007fffb47d1a6f R14: 00007fea79833300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1533: #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548 1 lock held by syz-executor.2/10399: #0: (acct_on_mutex){+.+.}, at: [] SYSC_acct kernel/acct.c:285 [inline] #0: (acct_on_mutex){+.+.}, at: [] SyS_acct+0x65/0x850 kernel/acct.c:273 1 lock held by syz-executor.2/10408: #0: (acct_on_mutex){+.+.}, at: [] SYSC_acct kernel/acct.c:285 [inline] #0: (acct_on_mutex){+.+.}, at: [] SyS_acct+0x65/0x850 kernel/acct.c:273 1 lock held by syz-executor.1/14081: #0: (acct_on_mutex){+.+.}, at: [] SYSC_acct kernel/acct.c:285 [inline] #0: (acct_on_mutex){+.+.}, at: [] SyS_acct+0x65/0x850 kernel/acct.c:273 1 lock held by syz-executor.1/14088: #0: (acct_on_mutex){+.+.}, at: [] SYSC_acct kernel/acct.c:285 [inline] #0: (acct_on_mutex){+.+.}, at: [] SyS_acct+0x65/0x850 kernel/acct.c:273 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1533 Comm: khungtaskd Not tainted 4.14.232-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 nmi_cpu_backtrace.cold+0x57/0x93 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x13a/0x180 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:140 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:195 [inline] watchdog+0x5b9/0xb40 kernel/hung_task.c:274 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4624 Comm: systemd-journal Not tainted 4.14.232-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8880a16aa140 task.stack: ffff8880a16b0000 RIP: 0010:unwind_get_return_address arch/x86/kernel/unwind_orc.c:252 [inline] RIP: 0010:unwind_get_return_address+0x48/0x90 arch/x86/kernel/unwind_orc.c:247 RSP: 0018:ffff8880a16b7b18 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: ffff8880a16b7b40 RCX: 0000000000000000 RDX: 1ffff110142d6f71 RSI: ffff8880a16b7a30 RDI: ffff8880a16b7b40 RBP: ffff8880a16b7b88 R08: 0000000000000001 R09: 0000000000000001 R10: ffff8880a16b7f58 R11: 0000000000000001 R12: ffff8880a16b7bc0 R13: 0000000000000000 R14: fffffffffffffffe R15: 00005584bfa042f0 FS: 00007f64e4f678c0(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f64e2439000 CR3: 00000000a1509000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __save_stack_trace+0xa0/0x160 arch/x86/kernel/stacktrace.c:45 save_stack mm/kasan/kasan.c:447 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_slab_free+0xc3/0x1a0 mm/kasan/kasan.c:524 __cache_free mm/slab.c:3496 [inline] kmem_cache_free+0x7c/0x2b0 mm/slab.c:3758 putname+0xcd/0x110 fs/namei.c:259 do_sys_open+0x203/0x410 fs/open.c:1090 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f64e44f6840 RSP: 002b:00007ffdd0fbf0e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007ffdd0fbf3f0 RCX: 00007f64e44f6840 RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 00005584bfa042f0 RBP: 000000000000000d R08: 0000000000000000 R09: 00000000ffffffff R10: 0000000000000069 R11: 0000000000000246 R12: 00000000ffffffff R13: 00005584bf9f7040 R14: 00007ffdd0fbf3b0 R15: 00005584bf9fcc30 Code: 04 3c 03 7e 51 8b 03 85 c0 75 05 5b 31 c0 5d c3 48 8d 6b 48 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 80 3c 02 00 75 32 <48> 8b 7b 48 e8 9f a2 13 00 85 c0 74 d3 48 b8 00 00 00 00 00 fc