Bluetooth: hci6 command 0x041b tx timeout
Bluetooth: hci6 command 0x040f tx timeout
Bluetooth: hci7 command 0x040f tx timeout
Bluetooth: hci7 command 0x0419 tx timeout
Bluetooth: hci6 command 0x0419 tx timeout
INFO: task syz-executor.2:8011 blocked for more than 140 seconds.
Not tainted 4.14.289-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.2 D25632 8011 1 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3489
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
lo_open+0x19/0xb0 drivers/block/loop.c:1634
__blkdev_get+0x306/0x1090 fs/block_dev.c:1470
blkdev_get+0x88/0x890 fs/block_dev.c:1611
blkdev_open+0x1cc/0x250 fs/block_dev.c:1772
do_dentry_open+0x44b/0xec0 fs/open.c:777
vfs_open+0x105/0x220 fs/open.c:888
do_last fs/namei.c:3428 [inline]
path_openat+0x628/0x2970 fs/namei.c:3569
do_filp_open+0x179/0x3c0 fs/namei.c:3603
do_sys_open+0x296/0x410 fs/open.c:1081
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f1acac6a124
RSP: 002b:00007fffd2199540 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fffd2199640 RCX: 00007f1acac6a124
RDX: 0000000000000002 RSI: 00007fffd2199680 RDI: 00000000ffffff9c
RBP: 00007fffd2199680 R08: 0000000000000000 R09: 00007fffd2199450
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 00000000002053bc R14: 0000000000000005 R15: 00007fffd2199680
INFO: task syz-executor.4:8014 blocked for more than 140 seconds.
Not tainted 4.14.289-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4 D25336 8014 1 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3489
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
lo_open+0x19/0xb0 drivers/block/loop.c:1634
__blkdev_get+0x306/0x1090 fs/block_dev.c:1470
blkdev_get+0x88/0x890 fs/block_dev.c:1611
blkdev_open+0x1cc/0x250 fs/block_dev.c:1772
do_dentry_open+0x44b/0xec0 fs/open.c:777
vfs_open+0x105/0x220 fs/open.c:888
do_last fs/namei.c:3428 [inline]
path_openat+0x628/0x2970 fs/namei.c:3569
do_filp_open+0x179/0x3c0 fs/namei.c:3603
do_sys_open+0x296/0x410 fs/open.c:1081
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f78d71ba124
RSP: 002b:00007ffcc37b3420 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007ffcc37b3520 RCX: 00007f78d71ba124
RDX: 0000000000000002 RSI: 00007ffcc37b3560 RDI: 00000000ffffff9c
RBP: 00007ffcc37b3560 R08: 0000000000000000 R09: 00007ffcc37b3330
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 00000000002053b5 R14: 0000000000000008 R15: 00007ffcc37b3560
INFO: task systemd-udevd:5098 blocked for more than 140 seconds.
Not tainted 4.14.289-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
systemd-udevd D27808 5098 4627 0x00000300
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3489
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
__blkdev_get+0x191/0x1090 fs/block_dev.c:1455
blkdev_get+0x88/0x890 fs/block_dev.c:1611
blkdev_open+0x1cc/0x250 fs/block_dev.c:1772
do_dentry_open+0x44b/0xec0 fs/open.c:777
vfs_open+0x105/0x220 fs/open.c:888
do_last fs/namei.c:3428 [inline]
path_openat+0x628/0x2970 fs/namei.c:3569
do_filp_open+0x179/0x3c0 fs/namei.c:3603
do_sys_open+0x296/0x410 fs/open.c:1081
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fcc71b14840
RSP: 002b:00007ffe5aa18a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000056471c14b580 RCX: 00007fcc71b14840
RDX: 000056471a545fe3 RSI: 00000000000a0800 RDI: 000056471c166ef0
RBP: 00007ffe5aa18bc0 R08: 000056471a545670 R09: 0000000000000010
R10: 000056471a545d0c R11: 0000000000000246 R12: 00007ffe5aa18b10
R13: 000056471c15eab0 R14: 0000000000000003 R15: 000000000000000e
INFO: task systemd-udevd:11933 blocked for more than 140 seconds.
Not tainted 4.14.289-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
systemd-udevd D28344 11933 4627 0x00000300
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3489
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
lo_open+0x19/0xb0 drivers/block/loop.c:1634
__blkdev_get+0xa8c/0x1090 fs/block_dev.c:1537
blkdev_get+0x88/0x890 fs/block_dev.c:1611
blkdev_open+0x1cc/0x250 fs/block_dev.c:1772
do_dentry_open+0x44b/0xec0 fs/open.c:777
vfs_open+0x105/0x220 fs/open.c:888
do_last fs/namei.c:3428 [inline]
path_openat+0x628/0x2970 fs/namei.c:3569
do_filp_open+0x179/0x3c0 fs/namei.c:3603
do_sys_open+0x296/0x410 fs/open.c:1081
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fcc71b14840
RSP: 002b:00007ffe5aa18a48 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000056471c15e140 RCX: 00007fcc71b14840
RDX: 000056471a545fe3 RSI: 00000000000a0800 RDI: 000056471c161890
RBP: 00007ffe5aa18bc0 R08: 000056471a545670 R09: 0000000000000010
R10: 000056471a545d0c R11: 0000000000000246 R12: 00007ffe5aa18b10
R13: 000056471c159880 R14: 0000000000000003 R15: 000000000000000e
INFO: task syz-executor.0:15032 blocked for more than 140 seconds.
Not tainted 4.14.289-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0 D29088 15032 8007 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3489
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
blkdev_reread_part+0x1b/0x40 block/ioctl.c:192
loop_reread_partitions drivers/block/loop.c:624 [inline]
loop_set_status+0xeeb/0x12b0 drivers/block/loop.c:1193
loop_set_status64+0x92/0xe0 drivers/block/loop.c:1311
lo_ioctl+0x587/0x1cd0 drivers/block/loop.c:1441
__blkdev_driver_ioctl block/ioctl.c:297 [inline]
blkdev_ioctl+0x540/0x1830 block/ioctl.c:594
block_ioctl+0xd9/0x120 fs/block_dev.c:1893
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f2da4cbcfc7
RSP: 002b:00007f2da3631ed8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f2da3631f20 RCX: 00007f2da4cbcfc7
RDX: 00007f2da3632030 RSI: 0000000000004c04 RDI: 0000000000000004
RBP: 00007f2da4d17161 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2da3632030
R13: 00007ffd3eb1ffdf R14: 00007f2da3632300 R15: 0000000000022000
INFO: task syz-executor.0:15057 blocked for more than 140 seconds.
Not tainted 4.14.289-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0 D29088 15057 8007 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3489
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
__blkdev_get+0x191/0x1090 fs/block_dev.c:1455
blkdev_get+0x88/0x890 fs/block_dev.c:1611
blkdev_open+0x1cc/0x250 fs/block_dev.c:1772
do_dentry_open+0x44b/0xec0 fs/open.c:777
vfs_open+0x105/0x220 fs/open.c:888
do_last fs/namei.c:3428 [inline]
path_openat+0x628/0x2970 fs/namei.c:3569
do_filp_open+0x179/0x3c0 fs/namei.c:3603
do_sys_open+0x296/0x410 fs/open.c:1081
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f2da4c70124
RSP: 002b:00007f2da35efe00 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f2da4d06a20 RCX: 00007f2da4c70124
RDX: 0000000000000002 RSI: 00007f2da35eff20 RDI: 00000000ffffff9c
RBP: 00007f2da35eff20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002
R13: 0000000000000005 R14: 0000000020001510 R15: 0000000000000006
INFO: task syz-executor.5:15030 blocked for more than 140 seconds.
Not tainted 4.14.289-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D28536 15030 8008 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3489
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x669/0x1310 kernel/locking/mutex.c:893
loop_control_ioctl+0x181/0x3f0 drivers/block/loop.c:2007
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f6b2ad1f209
RSP: 002b:00007f6b29694168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6b2ae31f60 RCX: 00007f6b2ad1f209
RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000004
RBP: 00007f6b296941d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffd03e9ac0f R14: 00007f6b29694300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/1534:
#0: (tasklist_lock){.+.+}, at: [<ffffffff8701ddf9>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548
1 lock held by in:imklog/7702:
#0: (&f->f_pos_lock){+.+.}, at: [<ffffffff818d756b>] __fdget_pos+0x1fb/0x2b0 fs/file.c:819
2 locks held by syz-executor.2/8011:
#0: (&bdev->bd_mutex){+.+.}, at: [<ffffffff81941fc1>] __blkdev_get+0x191/0x1090 fs/block_dev.c:1455
#1: (loop_index_mutex){+.+.}, at: [<ffffffff838ccc69>] lo_open+0x19/0xb0 drivers/block/loop.c:1634
2 locks held by syz-executor.4/8014:
#0: (&bdev->bd_mutex){+.+.}, at: [<ffffffff81941fc1>] __blkdev_get+0x191/0x1090 fs/block_dev.c:1455
#1: (loop_index_mutex){+.+.}, at: [<ffffffff838ccc69>] lo_open+0x19/0xb0 drivers/block/loop.c:1634
1 lock held by systemd-udevd/5098:
#0: (&bdev->bd_mutex){+.+.}, at: [<ffffffff81941fc1>] __blkdev_get+0x191/0x1090 fs/block_dev.c:1455
2 locks held by systemd-udevd/11933:
#0: (&bdev->bd_mutex){+.+.}, at: [<ffffffff81941fc1>] __blkdev_get+0x191/0x1090 fs/block_dev.c:1455
#1: (loop_index_mutex){+.+.}, at: [<ffffffff838ccc69>] lo_open+0x19/0xb0 drivers/block/loop.c:1634
2 locks held by syz-executor.0/15032:
#0: (&lo->lo_ctl_mutex/1){+.+.}, at: [<ffffffff838d6317>] lo_ioctl+0x87/0x1cd0 drivers/block/loop.c:1414
#1: (&bdev->bd_mutex){+.+.}, at: [<ffffffff830bd53b>] blkdev_reread_part+0x1b/0x40 block/ioctl.c:192
1 lock held by syz-executor.0/15057:
#0: (&bdev->bd_mutex){+.+.}, at: [<ffffffff81941fc1>] __blkdev_get+0x191/0x1090 fs/block_dev.c:1455
2 locks held by syz-executor.5/15030:
#0: (loop_index_mutex){+.+.}, at: [<ffffffff838d33c7>] loop_control_ioctl+0x67/0x3f0 drivers/block/loop.c:1993
#1: (&lo->lo_ctl_mutex){+.+.}, at: [<ffffffff838d34e1>] loop_control_ioctl+0x181/0x3f0 drivers/block/loop.c:2007
2 locks held by syz-executor.5/15089:
#0: (&bdev->bd_mutex){+.+.}, at: [<ffffffff81941fc1>] __blkdev_get+0x191/0x1090 fs/block_dev.c:1455
#1: (loop_index_mutex){+.+.}, at: [<ffffffff838ccc69>] lo_open+0x19/0xb0 drivers/block/loop.c:1634
1 lock held by syz-executor.0/15090:
#0: (&bdev->bd_mutex){+.+.}, at: [<ffffffff81941fc1>] __blkdev_get+0x191/0x1090 fs/block_dev.c:1455
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 1534 Comm: khungtaskd Not tainted 4.14.289-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 7708 Comm: rs:main Q:Reg Not tainted 4.14.289-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
task: ffff8880a1afa280 task.stack: ffff88809fd08000
RIP: 0010:__trace_hardirqs_on_caller kernel/locking/lockdep.c:2887 [inline]
RIP: 0010:trace_hardirqs_on_caller+0x33e/0x580 kernel/locking/lockdep.c:2930
RSP: 0018:ffff88809fd0f718 EFLAGS: 00000806
RAX: dffffc0000000000 RBX: ffff8880a1afa280 RCX: 1ffff1101435f56f
RDX: 1ffff1101435f559 RSI: ffff8880a1afab58 RDI: ffff8880a1afaac8
RBP: 0000000000087e31 R08: 0000000000000222 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880976bb5e8
R13: ffffffff88f09a18 R14: 0000000000000383 R15: ffff8880976bb5e8
FS: 00007f655a4f2700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f948c6af018 CR3: 00000000ab68d000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lookup_bh_lru fs/buffer.c:1341 [inline]
__find_get_block+0x1d8/0xc40 fs/buffer.c:1353
__getblk_gfp+0x28/0x70 fs/buffer.c:1379
sb_getblk include/linux/buffer_head.h:333 [inline]
__ext4_get_inode_loc+0x32b/0xf30 fs/ext4/inode.c:4562
ext4_get_inode_loc fs/ext4/inode.c:4675 [inline]
ext4_reserve_inode_write+0xd9/0x230 fs/ext4/inode.c:5836
ext4_mark_inode_dirty+0x12f/0x7a0 fs/ext4/inode.c:6003
ext4_dirty_inode+0x6c/0x90 fs/ext4/inode.c:6042
__mark_inode_dirty+0x11e/0xf40 fs/fs-writeback.c:2134
mark_inode_dirty include/linux/fs.h:2026 [inline]
generic_write_end+0x25e/0x360 fs/buffer.c:2229
ext4_da_write_end+0x50c/0x8e0 fs/ext4/inode.c:3233
generic_perform_write+0x268/0x420 mm/filemap.c:3066
__generic_file_write_iter+0x227/0x590 mm/filemap.c:3180
ext4_file_write_iter+0x276/0xd20 fs/ext4/file.c:270
call_write_iter include/linux/fs.h:1780 [inline]
new_sync_write fs/read_write.c:469 [inline]
__vfs_write+0x44c/0x630 fs/read_write.c:482
vfs_write+0x17f/0x4d0 fs/read_write.c:544
SYSC_write fs/read_write.c:590 [inline]
SyS_write+0xf2/0x210 fs/read_write.c:582
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f655cf361cd
RSP: 002b:00007f655a4f1590 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f6550024f20 RCX: 00007f655cf361cd
RDX: 00000000000004a6 RSI: 00007f6550024f20 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007f6550024ca0
R13: 00007f655a4f15b0 R14: 00005635bdc20440 R15: 00000000000004a6
Code: 53 01 00 00 8b 83 30 08 00 00 48 8d bb 48 08 00 00 48 89 fa 48 c1 ea 03 8d 68 01 48 b8 00 00 00 00 00 fc ff df 89 ab 30 08 00 00 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 26 01 00 00 89 ab 48 08 00