Bluetooth: hci3: command 0x0406 tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci5: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout INFO: task systemd-udevd:4452 blocked for more than 143 seconds. Not tainted 5.10.259 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:systemd-udevd state:D stack:27720 pid: 4452 ppid: 116 flags:0x00000320 Call Trace: context_switch kernel/sched/core.c:3799 [inline] __schedule+0x824/0x1ea0 kernel/sched/core.c:4547 schedule+0xcb/0x270 kernel/sched/core.c:4625 schedule_preempt_disabled+0xc/0x20 kernel/sched/core.c:4684 __mutex_lock_common kernel/locking/mutex.c:1047 [inline] __mutex_lock+0x7a8/0x10b0 kernel/locking/mutex.c:1109 blkdev_put+0x30/0x530 fs/block_dev.c:1826 blkdev_close+0x8c/0xb0 fs/block_dev.c:1875 __fput+0x285/0x9f0 fs/file_table.c:281 task_work_run+0xe2/0x1a0 kernel/task_work.c:185 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:172 [inline] exit_to_user_mode_prepare+0x1cc/0x1e0 kernel/entry/common.c:199 syscall_exit_to_user_mode+0x38/0x1d0 kernel/entry/common.c:274 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fb4fbc7e0f3 RSP: 002b:00007ffcf6bbf4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 00007fb4fb6e56c0 RCX: 00007fb4fbc7e0f3 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007 RBP: 0000000000000007 R08: 000055ede325e3e0 R09: 0000000000000000 R10: 00007fb4fb6e56c0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 000000000000087d R15: 00007ffcf6bbf570 INFO: task syz-executor.4:4490 blocked for more than 143 seconds. Not tainted 5.10.259 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.4 state:D stack:26952 pid: 4490 ppid: 283 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:3799 [inline] __schedule+0x824/0x1ea0 kernel/sched/core.c:4547 schedule+0xcb/0x270 kernel/sched/core.c:4625 blk_queue_enter+0x865/0xc30 block/blk-core.c:465 bio_queue_enter block/blk-core.c:480 [inline] __submit_bio_noacct_mq block/blk-core.c:1011 [inline] submit_bio_noacct+0xc42/0x1010 block/blk-core.c:1053 submit_bio+0xf3/0x4e0 block/blk-core.c:1123 submit_bh_wbc.constprop.0+0x580/0x780 fs/buffer.c:3054 __ext4_read_bh fs/ext4/super.c:158 [inline] ext4_read_bh+0x134/0x330 fs/ext4/super.c:182 ext4_read_bh_lock fs/ext4/super.c:197 [inline] ext4_read_bh_lock+0x76/0xd0 fs/ext4/super.c:190 __ext4_sb_bread_gfp.isra.0+0xd5/0x1e0 fs/ext4/super.c:219 ext4_sb_bread_unmovable fs/ext4/super.c:236 [inline] ext4_fill_super+0x549/0xd360 fs/ext4/super.c:4088 mount_bdev+0x336/0x400 fs/super.c:1442 legacy_get_tree+0x105/0x220 fs/fs_context.c:593 vfs_get_tree+0x8e/0x300 fs/super.c:1572 do_new_mount fs/namespace.c:3006 [inline] path_mount+0x14ab/0x2200 fs/namespace.c:3336 do_mount fs/namespace.c:3349 [inline] __do_sys_mount fs/namespace.c:3557 [inline] __se_sys_mount fs/namespace.c:3534 [inline] __x64_sys_mount+0x282/0x300 fs/namespace.c:3534 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fdc8703d04a RSP: 002b:00007fdc845b0fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000580 RCX: 00007fdc8703d04a RDX: 0000000020000000 RSI: 0000000020000140 RDI: 00007fdc845b1000 RBP: 00007fdc845b1040 R08: 00007fdc845b1040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000140 R14: 00007fdc845b1000 R15: 0000000020000100 INFO: task syz-executor.7:4527 blocked for more than 143 seconds. Not tainted 5.10.259 #1 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.7 state:D stack:27288 pid: 4527 ppid: 285 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:3799 [inline] __schedule+0x824/0x1ea0 kernel/sched/core.c:4547 schedule+0xcb/0x270 kernel/sched/core.c:4625 rwsem_down_read_slowpath+0x514/0xbb0 kernel/locking/rwsem.c:1099 __down_read kernel/locking/rwsem.c:1341 [inline] down_read+0x1f5/0x430 kernel/locking/rwsem.c:1506 __get_super.part.0+0x20d/0x2e0 fs/super.c:773 __get_super include/linux/spinlock.h:355 [inline] get_super+0x2b/0x60 fs/super.c:802 __invalidate_device+0x1c/0x130 fs/block_dev.c:2142 check_disk_size_change+0x122/0x190 fs/block_dev.c:1360 revalidate_disk_size fs/block_dev.c:1388 [inline] revalidate_disk_size+0x80/0xc0 fs/block_dev.c:1375 set_capacity_and_notify+0x8c/0x150 block/genhd.c:57 loop_set_size drivers/block/loop.c:241 [inline] loop_set_status+0x851/0xa10 drivers/block/loop.c:1400 loop_set_status64 drivers/block/loop.c:1540 [inline] lo_ioctl+0x8a3/0x16b0 drivers/block/loop.c:1708 __blkdev_driver_ioctl block/ioctl.c:240 [inline] blkdev_ioctl+0x291/0x710 block/ioctl.c:640 block_ioctl+0xf9/0x140 fs/block_dev.c:1893 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0x19a/0x210 fs/ioctl.c:739 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f5cf0376b19 RSP: 002b:00007f5ced8cb188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f5cf048a020 RCX: 00007f5cf0376b19 RDX: 0000000020000300 RSI: 0000000000004c04 RDI: 0000000000000003 RBP: 00007f5cf03d0f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd86bb707f R14: 00007f5ced8cb300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/22: #0: ffffffff84ff9d20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x27b kernel/locking/lockdep.c:6410 2 locks held by systemd-udevd/116: #0: ffff88800b629fc0 (&bdev->bd_mutex){+.+.}-{3:3}, at: __blkdev_get+0x457/0x1660 fs/block_dev.c:1503 #1: ffffffff853588a8 (loop_ctl_mutex){+.+.}-{3:3}, at: lo_open+0x19/0xd0 drivers/block/loop.c:1886 2 locks held by in:imklog/178: 2 locks held by syz-executor.2/286: #0: ffff88800b628080 (&bdev->bd_mutex){+.+.}-{3:3}, at: __blkdev_get+0x457/0x1660 fs/block_dev.c:1503 #1: ffffffff853588a8 (loop_ctl_mutex){+.+.}-{3:3}, at: lo_open+0x19/0xd0 drivers/block/loop.c:1886 2 locks held by syz-executor.5/288: #0: ffff88800b629980 (&bdev->bd_mutex){+.+.}-{3:3}, at: __blkdev_get+0x457/0x1660 fs/block_dev.c:1503 #1: ffffffff853588a8 (loop_ctl_mutex){+.+.}-{3:3}, at: lo_open+0x19/0xd0 drivers/block/loop.c:1886 2 locks held by syz-executor.3/290: #0: ffff88800b629340 (&bdev->bd_mutex){+.+.}-{3:3}, at: __blkdev_get+0x457/0x1660 fs/block_dev.c:1503 #1: ffffffff853588a8 (loop_ctl_mutex){+.+.}-{3:3}, at: lo_open+0x19/0xd0 drivers/block/loop.c:1886 1 lock held by systemd-udevd/4452: #0: ffff88800b629340 (&bdev->bd_mutex){+.+.}-{3:3}, at: blkdev_put+0x30/0x530 fs/block_dev.c:1826 1 lock held by syz-executor.4/4490: #0: ffff888043b040e0 (&type->s_umount_key#21/1){+.+.}-{3:3}, at: alloc_super+0x1e5/0xa90 fs/super.c:229 2 locks held by syz-executor.7/4527: #0: ffffffff853588a8 (loop_ctl_mutex){+.+.}-{3:3}, at: loop_set_status+0x87/0xa10 drivers/block/loop.c:1351 #1: ffff888043b040e0 (&type->s_umount_key#42){++++}-{3:3}, at: __get_super.part.0+0x20d/0x2e0 fs/super.c:773 =============================================