rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (1 GPs behind) idle=c8d4/1/0x4000000000000000 softirq=84677/84678 fqs=178
rcu: (detected by 1, t=10502 jiffies, g=115681, q=794 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 18403 Comm: syz-executor.3 Not tainted 6.9.0-rc6-syzkaller-00042-g50dffbf77180 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__this_cpu_preempt_check+0x7/0x20 lib/smp_processor_id.c:66
Code: ff eb a8 e8 5b e0 ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 89 fe <48> c7 c7 a0 aa 1e 8c e9 bd fe ff ff 66 2e 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffc90000007b58 EFLAGS: 00000096
RAX: 0000000000000001 RBX: ffffc90000007bc0 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcaca20 RDI: ffffffff8bcaca20
RBP: ffffc90000007ca8 R08: ffffffff92efe50f R09: 1ffffffff25dfca1
R10: dffffc0000000000 R11: fffffbfff25dfca2 R12: 1ffff92000000f74
R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000046
FS: 00007fb2afc596c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9865ed66e4 CR3: 0000000065fac000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lockdep_recursion_finish kernel/locking/lockdep.c:467 [inline]
lock_acquire+0x1fd/0x550 kernel/locking/lockdep.c:5756
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
_raw_spin_lock_irq+0xd3/0x120 kernel/locking/spinlock.c:170
__run_hrtimer kernel/time/hrtimer.c:1696 [inline]
__hrtimer_run_queues+0x67a/0xd50 kernel/time/hrtimer.c:1756
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1818
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:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5758
Code: 2b 00 74 08 4c 89 f7 e8 ba d1 84 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc9000336f460 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff9200066de98 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: ffffffff8bcaca20 RDI: ffffffff8c1eaaa0
RBP: ffffc9000336f5c0 R08: ffffffff92efe517 R09: 1ffffffff25dfca2
R10: dffffc0000000000 R11: fffffbfff25dfca3 R12: 1ffff9200066de94
R13: dffffc0000000000 R14: ffffc9000336f4c0 R15: 0000000000000246
fs_reclaim_acquire+0xaf/0x140 mm/page_alloc.c:3715
might_alloc include/linux/sched/mm.h:312 [inline]
slab_pre_alloc_hook mm/slub.c:3746 [inline]
slab_alloc_node mm/slub.c:3827 [inline]
kmem_cache_alloc_lru+0x4e/0x350 mm/slub.c:3864
alloc_inode_sb include/linux/fs.h:3091 [inline]
ntfs_alloc_inode+0x28/0x80 fs/ntfs3/super.c:563
alloc_inode fs/inode.c:261 [inline]
iget5_locked+0xa4/0x280 fs/inode.c:1235
ntfs_iget5+0xd5/0x3a80 fs/ntfs3/inode.c:531
ntfs_fill_super+0x2c63/0x49c0 fs/ntfs3/super.c:1275
get_tree_bdev+0x3f7/0x570 fs/super.c:1614
vfs_get_tree+0x90/0x2a0 fs/super.c:1779
do_new_mount+0x2be/0xb40 fs/namespace.c:3352
do_mount fs/namespace.c:3692 [inline]
__do_sys_mount fs/namespace.c:3898 [inline]
__se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3875
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb2aee7f5aa
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb2afc58ef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb2afc58f80 RCX: 00007fb2aee7f5aa
RDX: 0000000020000000 RSI: 0000000020000080 RDI: 00007fb2afc58f40
RBP: 0000000020000000 R08: 00007fb2afc58f80 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000080
R13: 00007fb2afc58f40 R14: 000000000001f76c R15: 0000000020000700
rcu: rcu_preempt kthread starved for 10139 jiffies! g115681 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:26256 pid:16 tgid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5409 [inline]
__schedule+0x1796/0x4a00 kernel/sched/core.c:6746
__schedule_loop kernel/sched/core.c:6823 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6838
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2582
rcu_gp_fqs_loop+0x2df/0x1370 kernel/rcu/tree.c:1663
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:1862
kthread+0x2f0/0x390 kernel/kthread.c:388
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 18422 Comm: syz-executor.0 Not tainted 6.9.0-rc6-syzkaller-00042-g50dffbf77180 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:csd_lock_wait kernel/smp.c:311 [inline]
RIP: 0010:smp_call_function_many_cond+0x1894/0x2a00 kernel/smp.c:855
Code: 45 8b 65 00 44 89 e6 83 e6 01 31 ff e8 15 db 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 c0 d6 0b 00 eb 38 f3 90 <42> 0f b6 04 23 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 a4 d6
RSP: 0018:ffffc9000545fae0 EFLAGS: 00000246
RAX: ffffffff818a3a8c RBX: 1ffff11017288c45 RCX: 0000000000040000
RDX: ffffc9000b84d000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc9000545fce0 R08: ffffffff818a3a5b R09: 1ffffffff25dfcc7
R10: dffffc0000000000 R11: fffffbfff25dfcc8 R12: dffffc0000000000
R13: ffff8880b9446228 R14: ffff8880b953f780 R15: 0000000000000000
FS: 00007f7c8afa66c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2c821000 CR3: 000000006045a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1023
on_each_cpu include/linux/smp.h:71 [inline]
hardware_enable_all arch/x86/kvm/../../../virt/kvm/kvm_main.c:5654 [inline]
kvm_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:1264 [inline]
kvm_dev_ioctl_create_vm arch/x86/kvm/../../../virt/kvm/kvm_main.c:5459 [inline]
kvm_dev_ioctl+0x1164/0x2320 arch/x86/kvm/../../../virt/kvm/kvm_main.c:5501
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:904 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7c8a27dea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7c8afa60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f7c8a3abf80 RCX: 00007f7c8a27dea9
RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000003
RBP: 00007f7c8a2ca4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7c8a3abf80 R15: 00007fff8ccab7f8