INFO: task syz.9.9927:609 blocked for more than 122 seconds.
Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.9.9927 state:D
stack:0 pid:609 tgid:609 ppid:31111 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5945 [inline]
__schedule+0x1322/0x1df0 kernel/sched/core.c:7791
__schedule_loop kernel/sched/core.c:7872 [inline]
schedule+0xc6/0x240 kernel/sched/core.c:7887
request_wait_answer fs/fuse/dev.c:476 [inline]
__fuse_request_send fs/fuse/dev.c:491 [inline]
__fuse_simple_request+0xdb1/0x1980 fs/fuse/dev.c:586
fuse_simple_request fs/fuse/fuse_i.h:1248 [inline]
fuse_flush+0x909/0x1d50 fs/fuse/file.c:582
filp_flush fs/open.c:1550 [inline]
filp_close+0xc0/0x160 fs/open.c:1563
__range_close fs/file.c:712 [inline]
__close_range+0x50e/0x6c0 fs/file.c:769
__do_sys_close_range fs/open.c:1616 [inline]
__se_sys_close_range fs/open.c:1613 [inline]
__x64_sys_close_range+0x7e/0x90 fs/open.c:1613
x64_sys_call+0x1686/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:437
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f0cadf8eba9
RSP: 002b:00007ffcaf548b68 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: ffffffffffffffda RBX: 00000000000b2d19 RCX: 00007f0cadf8eba9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f0cae1d7da0 R08: 0000000000000001 R09: 0000001eaf548e5f
R10: 0000001b2c620000 R11: 0000000000000246 R12: 00007f0cae1d5fac
R13: 00007f0cae1d5fa0 R14: ffffffffffffffff R15: 00007ffcaf548c80
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 f1fd036d8541680e36a649bca009aa7e7bf746ea
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Call Trace:
__dump_stack+0x21/0x30 lib/dump_stack.c:94
dump_stack_lvl+0x10c/0x190 lib/dump_stack.c:120
dump_stack+0x19/0x20 lib/dump_stack.c:129
nmi_cpu_backtrace+0x2bf/0x2d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x142/0x2c0 lib/nmi_backtrace.c:62
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:41
trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:267 [inline]
watchdog+0xd8f/0xed0 kernel/hung_task.c:423
kthread+0x2c7/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 7053 Comm: syz.2.11904 Not tainted syzkaller #0 f1fd036d8541680e36a649bca009aa7e7bf746ea
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:check_kcov_mode kernel/kcov.c:185 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x35/0x70 kernel/kcov.c:217
Code: 08 65 48 8b 0c 25 80 eb 04 00 65 8b 15 5c 07 7f 7e 81 e2 00 01 ff 00 74 11 81 fa 00 01 00 00 75 35 83 b9 ec 0b 00 00 00 74 2c <8b> 91 c8 0b 00 00 83 fa 02 75 21 48 8b 91 d0 0b 00 00 48 8b 32 48
RSP: 0018:ffffc9000ae0eb38 EFLAGS: 00000246
RAX: ffffffff8588be62 RBX: 000000000000005d RCX: ffff88812c7fb900
RDX: 0000000000000000 RSI: ffffffff87c22fa0 RDI: 000000000000005d
RBP: ffffc9000ae0eb38 R08: ffff88812c7fb900 R09: 0000000000000002
R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff85c91f6b
R13: ffff0a1000000609 R14: ffffffff85c91f6b R15: dffffc0000000000
FS: 00007fa3b36446c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f977f7f6f98 CR3: 0000000113ed0000 CR4: 00000000003526b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
format_decode+0x162/0x1600 lib/vsprintf.c:2537
vsnprintf+0xe6/0x1aa0 lib/vsprintf.c:2755
sprintf+0xda/0x120 lib/vsprintf.c:3007
print_time kernel/printk/printk.c:1387 [inline]
info_print_prefix+0x183/0x480 kernel/printk/printk.c:1416
record_print_text+0x155/0x430 kernel/printk/printk.c:1465
printk_get_next_message+0x273/0x930 kernel/printk/printk.c:3038
console_emit_next_record kernel/printk/printk.c:3106 [inline]
console_flush_all+0x3a4/0xaa0 kernel/printk/printk.c:3240
__console_flush_and_unlock kernel/printk/printk.c:3299 [inline]
console_unlock+0xe9/0x270 kernel/printk/printk.c:3339
vprintk_emit+0x27c/0x640 kernel/printk/printk.c:2463
vprintk_default+0x2a/0x40 kernel/printk/printk.c:2478
vprintk+0x93/0xa0 kernel/printk/printk_safe.c:73
_printk+0xd0/0x120 kernel/printk/printk.c:2488
::set_manager_node drivers/android/binder/context.rs:121 [inline]
::set_as_manager+0x30a/0xa60 drivers/android/binder/process.rs:727
::ioctl_write_only drivers/android/binder/process.rs:1529 [inline]
::ioctl+0x134e/0x2cd0 drivers/android/binder/process.rs:1616
rust_binder::rust_binder_unlocked_ioctl+0xa0/0x100 drivers/android/binder/rust_binder.rs:445
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0x132/0x1b0 fs/ioctl.c:893
__x64_sys_ioctl+0x7f/0xa0 fs/ioctl.c:893
x64_sys_call+0x1878/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:17
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7fa3b278eba9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa3b3644038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fa3b29d5fa0 RCX: 00007fa3b278eba9
RDX: 0000200000000040 RSI: 000000004018620d RDI: 0000000000000026
RBP: 00007fa3b2811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa3b29d6038 R14: 00007fa3b29d5fa0 R15: 00007ffdafd58f08