Bluetooth: hci2 command 0x0406 tx timeout
Bluetooth: hci1 command 0x0406 tx timeout
Bluetooth: hci4 command 0x0406 tx timeout
Bluetooth: hci3 command 0x0406 tx timeout
Bluetooth: hci5 command 0x0406 tx timeout
INFO: task syz-executor.4:9519 blocked for more than 140 seconds.
Not tainted 4.14.273-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4 D28912 9519 7966 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
__rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:588 [inline]
rwsem_down_write_failed+0x343/0x6d0 kernel/locking/rwsem-xadd.c:617
call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105
__down_write arch/x86/include/asm/rwsem.h:126 [inline]
down_write+0x4f/0x90 kernel/locking/rwsem.c:56
inode_lock include/linux/fs.h:719 [inline]
fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
filp_close+0x9d/0x140 fs/open.c:1158
__close_fd+0x151/0x230 fs/file.c:639
SYSC_close fs/open.c:1177 [inline]
SyS_close+0x42/0x90 fs/open.c:1175
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fa44602ec8b
RSP: 002b:00007ffebd0f70f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa44602ec8b
RDX: 0000001b2d720000 RSI: 0000001b2d725f58 RDI: 0000000000000004
RBP: 00007fa446190960 R08: 0000000000000000 R09: 0000000064a32d66
R10: 000e6516690e2c85 R11: 0000000000000293 R12: 000000000002c8d2
R13: 00007ffebd0f71f0 R14: 00007ffebd0f7210 R15: 0000000000000032
INFO: task syz-executor.4:9523 blocked for more than 140 seconds.
Not tainted 4.14.273-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4 D28664 9523 7966 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
fuse_wait_on_page_writeback fs/fuse/file.c:385 [inline]
fuse_wait_on_page_writeback.isra.0+0xdc/0x120 fs/fuse/file.c:381
fuse_launder_page fs/fuse/file.c:2041 [inline]
fuse_launder_page+0xa2/0xd0 fs/fuse/file.c:2034
do_launder_page mm/truncate.c:609 [inline]
invalidate_inode_pages2_range+0x547/0xc00 mm/truncate.c:685
fuse_finish_open+0x262/0x500 fs/fuse/file.c:181
fuse_open_common+0x234/0x290 fs/fuse/file.c:224
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: 0033:0x7fa44607c049
RSP: 002b:00007fa4449f1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007fa44618ef60 RCX: 00007fa44607c049
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0
RBP: 00007fa4460d608d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffebd0f708f R14: 00007fa4449f1300 R15: 0000000000022000
INFO: task syz-executor.4:9546 blocked for more than 140 seconds.
Not tainted 4.14.273-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4 D29680 9546 7966 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
__rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:588 [inline]
rwsem_down_write_failed+0x343/0x6d0 kernel/locking/rwsem-xadd.c:617
call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105
__down_write arch/x86/include/asm/rwsem.h:126 [inline]
down_write+0x4f/0x90 kernel/locking/rwsem.c:56
inode_lock include/linux/fs.h:719 [inline]
fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
filp_close+0x9d/0x140 fs/open.c:1158
do_dup2+0x1ec/0x3d0 fs/file.c:896
SYSC_dup3 fs/file.c:952 [inline]
SyS_dup3+0x218/0x360 fs/file.c:927
SYSC_dup2 fs/file.c:973 [inline]
SyS_dup2+0x25/0x300 fs/file.c:961
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fa44607c049
RSP: 002b:00007fa4449d0168 EFLAGS: 00000246 ORIG_RAX: 0000000000000021
RAX: ffffffffffffffda RBX: 00007fa44618f030 RCX: 00007fa44607c049
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005
RBP: 00007fa4460d608d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffebd0f708f R14: 00007fa4449d0300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/1533:
#0: (tasklist_lock){.+.+}, at: [<ffffffff8702311c>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548
1 lock held by syz-executor.4/9519:
#0: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f21c7>] inode_lock include/linux/fs.h:719 [inline]
#0: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f21c7>] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
2 locks held by syz-executor.4/9523:
#0: (sb_writers#13){.+.+}, at: [<ffffffff818df1da>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#13){.+.+}, at: [<ffffffff818df1da>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f1dd4>] inode_lock include/linux/fs.h:719 [inline]
#1: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f1dd4>] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217
1 lock held by syz-executor.4/9546:
#0: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f21c7>] inode_lock include/linux/fs.h:719 [inline]
#0: (&sb->s_type->i_mutex_key#21){+.+.}, at: [<ffffffff822f21c7>] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 1533 Comm: khungtaskd Not tainted 4.14.273-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 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 996 Comm: kworker/u4:3 Not tainted 4.14.273-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_nc_worker
task: ffff8880b386a4c0 task.stack: ffff8880b3870000
RIP: 0010:__lock_acquire+0x495/0x3f20 kernel/locking/lockdep.c:3436
RSP: 0018:ffff8880b3877aa8 EFLAGS: 00000006
RAX: 0000000000020012 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 1ffff1101670d5b7 RSI: 1ffff1101670d5b2 RDI: ffff8880b386adbc
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000020000
R10: ffff8880b386ad98 R11: ffff8880b386a4c0 R12: ffff8880b386adb0
R13: 0000000000000012 R14: 0000000000000012 R15: ffffffff8becfd40
FS: 0000000000000000(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbb01f15028 CR3: 00000000a10e5000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998
rcu_lock_acquire include/linux/rcupdate.h:242 [inline]
rcu_read_lock include/linux/rcupdate.h:629 [inline]
batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:418 [inline]
batadv_nc_worker+0x124/0xc50 net/batman-adv/network-coding.c:728
process_one_work+0x793/0x14a0 kernel/workqueue.c:2117
worker_thread+0x5cc/0xff0 kernel/workqueue.c:2251
kthread+0x30d/0x420 kernel/kthread.c:232
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 81 e5 00 00 03 00 41 c1 e1 13 09 c5 44 89 c0 48 c1 ea 03 c1 e0 12 25 00 00 04 00 09 c5 41 8b 42 20 41 09 e9 8b ac 24 c8 01 00 00 <25> ff 1f 00 00 c1 e5 14 41 09 e9 41 09 c1 48 b8 00 00 00 00 00
----------------
Code disassembly (best guess):
0: 81 e5 00 00 03 00 and $0x30000,%ebp
6: 41 c1 e1 13 shl $0x13,%r9d
a: 09 c5 or %eax,%ebp
c: 44 89 c0 mov %r8d,%eax
f: 48 c1 ea 03 shr $0x3,%rdx
13: c1 e0 12 shl $0x12,%eax
16: 25 00 00 04 00 and $0x40000,%eax
1b: 09 c5 or %eax,%ebp
1d: 41 8b 42 20 mov 0x20(%r10),%eax
21: 41 09 e9 or %ebp,%r9d
24: 8b ac 24 c8 01 00 00 mov 0x1c8(%rsp),%ebp
* 2b: 25 ff 1f 00 00 and $0x1fff,%eax <-- trapping instruction
30: c1 e5 14 shl $0x14,%ebp
33: 41 09 e9 or %ebp,%r9d
36: 41 09 c1 or %eax,%r9d
39: 48 rex.W
3a: b8 00 00 00 00 mov $0x0,%eax