watchdog: BUG: soft lockup - CPU#0 stuck for 144s! [syz.2.8034:23487]
CPU#0 Utilization every 22s during lockup:
#1: 100% system, 0% softirq, 1% hardirq, 0% idle
#2: 100% system, 1% softirq, 1% hardirq, 0% idle
#3: 100% system, 0% softirq, 1% hardirq, 0% idle
#4: 100% system, 1% softirq, 1% hardirq, 0% idle
#5: 100% system, 0% softirq, 1% hardirq, 0% idle
Modules linked in:
CPU: 0 UID: 0 PID: 23487 Comm: syz.2.8034 Not tainted syzkaller #0 955f6180463debd82b9f2b9d8786ee899826498b
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:pv_native_safe_halt+0x13/0x20 arch/x86/kernel/paravirt.c:106
Code: cc cc cc cc cc cc cc b8 a5 c8 af 99 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d f3 9b 48 00 55 48 89 e5 fb f4 <5d> e9 07 60 02 00 cc cc cc cc cc cc cc b8 00 00 00 00 90 90 90 90
RSP: 0018:ffffc90002a141b0 EFLAGS: 000002d3
RAX: ffffffff814428e1 RBX: 0000000000000003 RCX: ffff88811d67cc00
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000003
RBP: ffffc90002a141b0 R08: ffff88810f7a0088 R09: 1ffff11021ef4011
R10: dffffc0000000000 R11: ffffed1021ef4012 R12: dffffc0000000000
R13: 0000000000000200 R14: 0000000000000003 R15: 1ffff92000542838
FS: 00007f511d65e6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000120514000 CR4: 00000000003526b0
Call Trace:
<TASK>
arch_safe_halt arch/x86/include/asm/paravirt.h:112 [inline]
kvm_wait+0x1c6/0x230 arch/x86/kernel/kvm.c:1081
pv_wait arch/x86/include/asm/paravirt.h:596 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:466 [inline]
__pv_queued_spin_lock_slowpath+0x8e0/0xe90 kernel/locking/qspinlock.c:508
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
do_raw_spin_lock include/linux/spinlock.h:187 [inline]
__raw_spin_lock include/linux/spinlock_api_smp.h:134 [inline]
_raw_spin_lock+0x115/0x120 kernel/locking/spinlock.c:154
<kernel::sync::lock::Lock<rust_binder_main::process::ProcessInner, kernel::sync::lock::spinlock::SpinLockBackend>>::lock rust/kernel/sync/lock.rs:142 [inline]
<rust_binder_main::process::Process>::push_work drivers/android/binder/process.rs:730 [inline]
<rust_binder_main::thread::Thread>::push_work_if_looper+0x202/0x620 drivers/android/binder/thread.rs:667
<rust_binder_main::node::NodeDeath>::set_notification_done drivers/android/binder/node.rs:1044 [inline]
<rust_binder_main::process::Process>::dead_binder_done drivers/android/binder/process.rs:1312 [inline]
<rust_binder_main::thread::Thread>::write+0x3aa3/0xa690 drivers/android/binder/thread.rs:1505
<rust_binder_main::thread::Thread>::write_read drivers/android/binder/thread.rs:1608 [inline]
<rust_binder_main::process::Process>::ioctl_write_read drivers/android/binder/process.rs:1609 [inline]
<rust_binder_main::process::Process>::ioctl drivers/android/binder/process.rs:1674 [inline]
rust_binder_main::rust_binder_ioctl+0x1077/0x5da0 drivers/android/binder/rust_binder_main.rs:449
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0x135/0x1b0 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:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f511c79c629
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f511d65e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f511ca15fa0 RCX: 00007f511c79c629
RDX: 0000200000000040 RSI: 00000000c0306201 RDI: 0000000000000003
RBP: 00007f511c832b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f511ca16038 R14: 00007f511ca15fa0 R15: 00007ffe87e61138
</TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 23486 Comm: syz.2.8034 Not tainted syzkaller #0 955f6180463debd82b9f2b9d8786ee899826498b
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:pv_native_safe_halt+0x13/0x20 arch/x86/kernel/paravirt.c:106
Code: cc cc cc cc cc cc cc b8 a5 c8 af 99 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d f3 9b 48 00 55 48 89 e5 fb f4 <5d> e9 07 60 02 00 cc cc cc cc cc cc cc b8 00 00 00 00 90 90 90 90
RSP: 0018:ffffc90002a3f9d0 EFLAGS: 000002d3
RAX: ffffffff814428e1 RBX: 0000000000000001 RCX: ffff888123845f00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffffc90002a3f9d0 R08: ffff8881f6f50a94 R09: 1ffff1103edea152
R10: dffffc0000000000 R11: ffffed103edea153 R12: dffffc0000000000
R13: 0000000000000200 R14: 0000000000000001 R15: 1ffff92000547f3c
FS: 0000555573fd5500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f511c7e9d40 CR3: 0000000120514000 CR4: 00000000003526b0
Call Trace:
<TASK>
arch_safe_halt arch/x86/include/asm/paravirt.h:112 [inline]
kvm_wait+0x1c6/0x230 arch/x86/kernel/kvm.c:1081
pv_wait arch/x86/include/asm/paravirt.h:596 [inline]
pv_wait_node kernel/locking/qspinlock_paravirt.h:322 [inline]
__pv_queued_spin_lock_slowpath+0x483/0xe90 kernel/locking/qspinlock.c:473
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
do_raw_spin_lock include/linux/spinlock.h:187 [inline]
__raw_spin_lock include/linux/spinlock_api_smp.h:134 [inline]
_raw_spin_lock+0x115/0x120 kernel/locking/spinlock.c:154
<kernel::sync::lock::Lock<rust_binder_main::process::ProcessInner, kernel::sync::lock::spinlock::SpinLockBackend>>::lock rust/kernel/sync/lock.rs:142 [inline]
<rust_binder_main::process::Process>::flush drivers/android/binder/process.rs:1649 [inline]
rust_binder_main::rust_binder_flush+0xff/0x3b0 drivers/android/binder/rust_binder_main.rs:497
filp_flush fs/open.c:1552 [inline]
filp_close+0xc0/0x160 fs/open.c:1565
__range_close fs/file.c:710 [inline]
__close_range+0x529/0x6e0 fs/file.c:767
__do_sys_close_range fs/open.c:1618 [inline]
__se_sys_close_range fs/open.c:1615 [inline]
__x64_sys_close_range+0x7e/0x90 fs/open.c:1615
x64_sys_call+0x1686/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:437
do_syscall_x64 arch/x86/entry/common.c:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f511c79c629
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe87e61298 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: ffffffffffffffda RBX: 00007f511ca17da0 RCX: 00007f511c79c629
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 00007f511ca17da0 R08: 0000000000000006 R09: 0000000000000000
R10: 00007f511ca17cb0 R11: 0000000000000246 R12: 000000000005a278
R13: 00007f511ca15fac R14: 0000000000059f6a R15: 00007ffe87e613a0
</TASK>