INFO: task syz-executor.1:12888 blocked for more than 143 seconds. Not tainted 6.0.0-syzkaller-06205-gffb39098bf87 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:26688 pid:12888 ppid: 3646 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5183 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6495 schedule+0xda/0x1b0 kernel/sched/core.c:6571 io_schedule+0xba/0x130 kernel/sched/core.c:8715 folio_wait_bit_common+0x3dd/0xa90 mm/filemap.c:1298 __folio_lock mm/filemap.c:1664 [inline] folio_lock include/linux/pagemap.h:939 [inline] folio_lock include/linux/pagemap.h:935 [inline] __filemap_get_folio+0xc6d/0xed0 mm/filemap.c:1936 truncate_inode_pages_range+0x37c/0x1510 mm/truncate.c:378 ntfs_evict_inode+0x16/0xa0 fs/ntfs3/inode.c:1741 evict+0x2ed/0x6b0 fs/inode.c:665 iput_final fs/inode.c:1748 [inline] iput.part.0+0x55d/0x810 fs/inode.c:1774 iput+0x58/0x70 fs/inode.c:1764 ntfs_fill_super+0x2e89/0x37f0 fs/ntfs3/super.c:1190 get_tree_bdev+0x440/0x760 fs/super.c:1323 vfs_get_tree+0x89/0x2f0 fs/super.c:1530 do_new_mount fs/namespace.c:3040 [inline] path_mount+0x1326/0x1e20 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __x64_sys_mount+0x27f/0x300 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f1191c8bada RSP: 002b:00007f1192d42f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f1191c8bada RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f1192d42fe0 RBP: 00007f1192d43020 R08: 00007f1192d43020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f1192d42fe0 R15: 0000000020002580 INFO: task syz-executor.4:12897 blocked for more than 143 seconds. Not tainted 6.0.0-syzkaller-06205-gffb39098bf87 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:29720 pid:12897 ppid: 3648 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5183 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6495 schedule+0xda/0x1b0 kernel/sched/core.c:6571 rwsem_down_read_slowpath+0x59f/0xb10 kernel/locking/rwsem.c:1087 __down_read_common kernel/locking/rwsem.c:1252 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0xe2/0x450 kernel/locking/rwsem.c:1501 iterate_supers+0xdb/0x290 fs/super.c:721 ksys_sync+0x86/0x150 fs/sync.c:102 __do_sys_sync+0xa/0x10 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3622c8a5a9 RSP: 002b:00007f3621bfe168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f3622dac050 RCX: 00007f3622c8a5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f3622ce5580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffed9ef4b7f R14: 00007f3621bfe300 R15: 0000000000022000 INFO: task syz-executor.0:12902 blocked for more than 143 seconds. Not tainted 6.0.0-syzkaller-06205-gffb39098bf87 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:29720 pid:12902 ppid: 3977 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5183 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6495 schedule+0xda/0x1b0 kernel/sched/core.c:6571 rwsem_down_read_slowpath+0x59f/0xb10 kernel/locking/rwsem.c:1087 __down_read_common kernel/locking/rwsem.c:1252 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0xe2/0x450 kernel/locking/rwsem.c:1501 iterate_supers+0xdb/0x290 fs/super.c:721 ksys_sync+0x86/0x150 fs/sync.c:102 __do_sys_sync+0xa/0x10 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f6e87c8a5a9 RSP: 002b:00007f6e86bdd168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f6e87dac050 RCX: 00007f6e87c8a5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f6e87ce5580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc39c44faf R14: 00007f6e86bdd300 R15: 0000000000022000 INFO: task syz-executor.2:12904 blocked for more than 144 seconds. Not tainted 6.0.0-syzkaller-06205-gffb39098bf87 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:29464 pid:12904 ppid: 3647 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5183 [inline] __schedule+0xadf/0x52b0 kernel/sched/core.c:6495 schedule+0xda/0x1b0 kernel/sched/core.c:6571 rwsem_down_read_slowpath+0x59f/0xb10 kernel/locking/rwsem.c:1087 __down_read_common kernel/locking/rwsem.c:1252 [inline] __down_read kernel/locking/rwsem.c:1261 [inline] down_read+0xe2/0x450 kernel/locking/rwsem.c:1501 iterate_supers+0xdb/0x290 fs/super.c:721 ksys_sync+0x86/0x150 fs/sync.c:102 __do_sys_sync+0xa/0x10 fs/sync.c:113 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5b72a8a5a9 RSP: 002b:00007f5b73b93168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f5b72bac050 RCX: 00007f5b72a8a5a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f5b72ae5580 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffd7ac6f0f R14: 00007f5b73b93300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8bf82df0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507 1 lock held by rcu_tasks_trace/13: #0: ffffffff8bf82af0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507 1 lock held by khungtaskd/28: #0: ffffffff8bf83940 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6492 5 locks held by kworker/u4:2/41: 3 locks held by kworker/u4:4/55: 2 locks held by getty/3285: #0: ffff88807f867098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffffc900020282f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef0/0x13e0 drivers/tty/n_tty.c:2177 3 locks held by kworker/u5:4/3664: #0: ffff888078eb6138 ((wq_completion)hci13){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888078eb6138 ((wq_completion)hci13){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888078eb6138 ((wq_completion)hci13){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888078eb6138 ((wq_completion)hci13){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888078eb6138 ((wq_completion)hci13){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888078eb6138 ((wq_completion)hci13){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 kernel/workqueue.c:2260 #1: ffffc900036c7da8 ((work_completion)(&hdev->power_on)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 kernel/workqueue.c:2264 #2: ffff8880997ad028 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_open+0x25/0x70 net/bluetooth/hci_core.c:481 1 lock held by syz-executor.1/12888: #0: ffff88802fcf00e0 (&type->s_umount_key#76/1){+.+.}-{3:3}, at: alloc_super+0x22e/0xb60 fs/super.c:228 1 lock held by syz-executor.4/12897: #0: ffff88802fcf00e0 (&type->s_umount_key#81){++++}-{3:3}, at: iterate_supers+0xdb/0x290 fs/super.c:721 1 lock held by syz-executor.0/12902: #0: ffff88802fcf00e0 (&type->s_umount_key#81){++++}-{3:3}, at: iterate_supers+0xdb/0x290 fs/super.c:721 1 lock held by syz-executor.2/12904: #0: ffff88802fcf00e0 (&type->s_umount_key#81){++++}-{3:3}, at: iterate_supers+0xdb/0x290 fs/super.c:721 1 lock held by syz-executor.2/13006: #0: ffff88802fcf00e0 (&type->s_umount_key#81){++++}-{3:3}, at: iterate_supers+0xdb/0x290 fs/super.c:721 1 lock held by syz-executor.4/13011: #0: ffff88802fcf00e0 (&type->s_umount_key#81){++++}-{3:3}, at: iterate_supers+0xdb/0x290 fs/super.c:721 1 lock held by syz-executor.0/13025: #0: ffff88802fcf00e0 (&type->s_umount_key#81){++++}-{3:3}, at: iterate_supers+0xdb/0x290 fs/super.c:721 1 lock held by syz-executor.1/13040: #0: ffff88802fcf00e0 (&type->s_umount_key#81){++++}-{3:3}, at: iterate_supers+0xdb/0x290 fs/super.c:721 1 lock held by syz-executor.2/13100: #0: ffff88802fcf00e0 (&type->s_umount_key#81){++++}-{3:3}, at: iterate_supers+0xdb/0x290 fs/super.c:721 1 lock held by syz-executor.4/13126: #0: ffff88802fcf00e0 (&type->s_umount_key#81){++++}-{3:3}, at: iterate_supers+0xdb/0x290 fs/super.c:721 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.0.0-syzkaller-06205-gffb39098bf87 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x46/0x14f lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x206/0x250 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline] watchdog+0xc18/0xf50 kernel/hung_task.c:369 kthread+0x2e4/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 3602 Comm: syz-fuzzer Not tainted 6.0.0-syzkaller-06205-gffb39098bf87 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0033:0x41e5de Code: 44 89 c1 45 89 d5 41 d3 ea 41 0f ba e2 04 0f 83 ec 00 00 00 48 89 44 24 58 41 0f a3 cd 0f 83 87 00 00 00 4e 8d 14 20 4d 8b 12 <66> 90 4d 85 d2 74 79 4d 89 d5 4d 29 e2 4c 39 d2 77 6e 89 4c 24 3c RSP: 002b:000000c00005be80 EFLAGS: 00000207 RAX: 0000000000000008 RBX: 000000c00003f698 RCX: 0000000000000001 RDX: 0000000000000020 RSI: 0000000000203002 RDI: 0000000000c04640 RBP: 000000c00005bf08 R08: 0000000000000001 R09: 00007fa7c342204b R10: 000000c00ae9cbd0 R11: 00007fa7c34acfff R12: 000000c00aea0960 R13: 00000000000000fa R14: 000000c000000d00 R15: 0000000001142f60 FS: 000000c000050890 GS: 0000000000000000