INFO: task syz.1.4497:20148 blocked for more than 147 seconds.
Not tainted 6.10.0-rc7-next-20240710-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.4497 state:D stack:25520 pid:20148 tgid:20148 ppid:16955 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5239 [inline]
__schedule+0x1800/0x4a60 kernel/sched/core.c:6603
__schedule_loop kernel/sched/core.c:6680 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6695
request_wait_answer fs/fuse/dev.c:407 [inline]
__fuse_request_send fs/fuse/dev.c:426 [inline]
fuse_simple_request+0x1199/0x1b90 fs/fuse/dev.c:513
fuse_flush+0x69f/0x950 fs/fuse/file.c:542
filp_flush+0xb5/0x160 fs/open.c:1526
filp_close+0x1e/0x40 fs/open.c:1539
__range_close fs/file.c:722 [inline]
__close_range+0x35e/0x940 fs/file.c:791
__do_sys_close_range fs/open.c:1592 [inline]
__se_sys_close_range fs/open.c:1589 [inline]
__x64_sys_close_range+0x7a/0x90 fs/open.c:1589
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcf5dd75bd9
RSP: 002b:00007ffef70e83b8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: ffffffffffffffda RBX: 000000000009b89a RCX: 00007fcf5dd75bd9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: ffffffffffffffff R08: 0000000000000001 R09: 00000008f70e86df
R10: 00007fcf5dc00000 R11: 0000000000000246 R12: 00007fcf5df03f6c
R13: 0000000000000032 R14: 00007fcf5df05a60 R15: 00007fcf5df03f60
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.10.0-rc7-next-20240710-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xfee/0x1030 kernel/hung_task.c:379
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 5112 Comm: kworker/u9:8 Not tainted 6.10.0-rc7-next-20240710-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: hci5 hci_rx_work
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:150 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x79/0x140 kernel/locking/spinlock.c:194
Code: 44 24 10 90 ea 9d 8b 49 89 e5 49 c1 ed 03 48 b8 f1 f1 f1 f1 00 f3 f3 f3 4b 89 44 25 00 48 83 c7 18 48 8b 75 08 e8 27 db d1 f5 <48> 89 df e8 5f 1e d3 f5 41 f7 c7 00 02 00 00 74 05 e8 51 8d fd f5
RSP: 0018:ffffc90000a18b60 EFLAGS: 00000046
RAX: f7070310d2015300 RBX: ffffffff94a105e8 RCX: ffffffff816fc6e0
RDX: 0000000000000000 RSI: ffffffff8c209c80 RDI: ffffffff8c209c40
RBP: ffffc90000a18bf0 R08: ffffffff8fafc3ef R09: 1ffffffff1f5f87d
R10: dffffc0000000000 R11: fffffbfff1f5f87e R12: dffffc0000000000
R13: 1ffff9200014316c R14: ffffc90000a18b80 R15: 0000000000000046
FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f46cdacd7d6 CR3: 00000000631ac000 CR4: 00000000003506f0
DR0: 0004000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
debug_object_activate+0x3e4/0x510 lib/debugobjects.c:727
debug_hrtimer_activate kernel/time/hrtimer.c:423 [inline]
debug_activate kernel/time/hrtimer.c:478 [inline]
enqueue_hrtimer+0x30/0x3c0 kernel/time/hrtimer.c:1085
__run_hrtimer kernel/time/hrtimer.c:1706 [inline]
__hrtimer_run_queues+0x6cb/0xd50 kernel/time/hrtimer.c:1753
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
__sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_trylock_spinning kernel/printk/printk.c:2034 [inline]
RIP: 0010:vprintk_emit+0x76c/0x900 kernel/printk/printk.c:2422
Code: 88 00 e9 be f9 ff ff e8 52 5f 20 00 e8 fd 96 20 0a 4d 85 ff 0f 84 70 ff ff ff e8 3f 5f 20 00 fb 49 bf 00 00 00 00 00 fc ff df <48> c7 c7 c0 31 21 8e 31 f6 ba 01 00 00 00 31 c9 41 b8 01 00 00 00
RSP: 0018:ffffc90003fbf620 EFLAGS: 00000283
RAX: ffffffff81736831 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9001251f000 RSI: 000000000002f93f RDI: 000000000002f940
RBP: ffffc90003fbf730 R08: ffffffff81736785 R09: 1ffffffff1f5f87d
R10: dffffc0000000000 R11: fffffbfff1f5f87e R12: 0000000000000046
R13: 1ffff920007f7ecc R14: ffffffff817365bd R15: dffffc0000000000
_printk+0xd5/0x120 kernel/printk/printk.c:2450
bt_warn+0x127/0x180 net/bluetooth/lib.c:276
hci_cc_func net/bluetooth/hci_event.c:4178 [inline]
hci_cmd_complete_evt+0x3ef/0x8b0 net/bluetooth/hci_event.c:4202
hci_event_func net/bluetooth/hci_event.c:7442 [inline]
hci_event_packet+0xa55/0x1540 net/bluetooth/hci_event.c:7497
hci_rx_work+0x3e8/0xca0 net/bluetooth/hci_core.c:4029
process_one_work kernel/workqueue.c:3228 [inline]
process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3309
worker_thread+0x86d/0xd40 kernel/workqueue.c:3387
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244