rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (2 ticks this GP) idle=b89c/1/0x4000000000000000 softirq=23381/23383 fqs=48
rcu: (detected by 1, t=10506 jiffies, g=29889, q=527 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 8061 Comm: vivid-000-vid-c Not tainted 6.9.0-rc7-next-20240510-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:122 [inline]
RIP: 0010:lock_release+0x125/0x9f0 kernel/locking/lockdep.c:5767
Code: 7e 85 c0 0f 85 23 05 00 00 65 48 8b 04 25 00 d5 03 00 48 89 44 24 18 48 8d 98 dc 0a 00 00 48 89 d8 48 c1 e8 03 42 0f b6 04 38 <84> c0 0f 85 d8 05 00 00 83 3b 00 0f 85 f1 04 00 00 4c 8d b4 24 b0
RSP: 0018:ffffc90000007b40 EFLAGS: 00000803
RAX: 0000000000000000 RBX: ffff888060490adc RCX: ffffffff817291b0
RDX: 0000000000000000 RSI: ffffffff8c1fdca0 RDI: ffffffff8c1fdc60
RBP: ffffc90000007c70 R08: ffffffff8fad33ef R09: 1ffffffff1f5a67d
R10: dffffc0000000000 R11: fffffbfff1f5a67e R12: 1ffff92000000f74
R13: ffffffff899364a4 R14: ffff8880507f1000 R15: dffffc0000000000
FS: 0000000000000000(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff98aad0300 CR3: 000000002e5f6000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<NMI>
</NMI>
<IRQ>
__raw_spin_unlock include/linux/spinlock_api_smp.h:141 [inline]
_raw_spin_unlock+0x16/0x50 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:391 [inline]
advance_sched+0x9b4/0xca0 net/sched/sch_taprio.c:981
__run_hrtimer kernel/time/hrtimer.c:1687 [inline]
__hrtimer_run_queues+0x5a5/0xd50 kernel/time/hrtimer.c:1751
hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
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
</IRQ>
<TASK>
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:raw_spin_rq_unlock_irq+0x19/0x90 kernel/sched/sched.h:1419
Code: 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 41 57 41 56 53 48 89 fb 66 90 48 89 df e8 ee 21 2d 0a e8 b9 29 35 00 fb 5b <41> 5e 41 5f c3 cc cc cc cc f3 0f 1e fa 49 bf 00 00 00 00 00 fc ff
RSP: 0018:ffffc90005687b48 EFLAGS: 00000286
RAX: a8db9513cb646a00 RBX: ffff8880b943e7c0 RCX: ffffffff947aa603
RDX: dffffc0000000000 RSI: ffffffff8bcab500 RDI: ffffffff8c1fdcc0
RBP: ffffc90005687d68 R08: ffffffff8fad33ef R09: 1ffffffff1f5a67d
R10: dffffc0000000000 R11: fffffbfff1f5a67e R12: ffffc90005687cf0
R13: 0000000000000000 R14: ffff888060490770 R15: ffff888060490000
__schedule+0x1a22/0x4a50 kernel/sched/core.c:6749
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
vivid_thread_vid_cap+0x9aa/0xf30 drivers/media/test-drivers/vivid/vivid-kthread-cap.c:770
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
</TASK>
rcu: rcu_preempt kthread starved for 10265 jiffies! g29889 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:25528 pid:17 tgid:17 ppid:2 flags:0x00004000
Call Trace:
<TASK>
context_switch kernel/sched/core.c:5408 [inline]
__schedule+0x17e8/0x4a50 kernel/sched/core.c:6745
__schedule_loop kernel/sched/core.c:6822 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6837
schedule_timeout+0x1be/0x310 kernel/time/timer.c:2581
rcu_gp_fqs_loop+0x2df/0x1370 kernel/rcu/tree.c:2000
rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2202
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
</TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 8066 Comm: syz-executor.0 Not tainted 6.9.0-rc7-next-20240510-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
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 f5 f2 0b 00 41 83 e4 01 49 bc 00 00 00 00 00 fc ff df 75 07 e8 a0 ee 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 84 ee
RSP: 0018:ffffc900056c75c0 EFLAGS: 00000246
RAX: ffffffff818a2dfc RBX: 1ffff11017288c11 RCX: 0000000000040000
RDX: ffffc900046f1000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc900056c77c0 R08: ffffffff818a2dcb R09: 1ffffffff25f64d9
R10: dffffc0000000000 R11: fffffbfff25f64da R12: dffffc0000000000
R13: ffff8880b9446088 R14: ffff8880b953f900 R15: 0000000000000000
FS: 00007fd5192116c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd50e3ff000 CR3: 000000004c040000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
</IRQ>
<TASK>
on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1023
invalidate_bdev+0x71/0xa0 block/bdev.c:99
ntfs_loadlog_and_replay+0x348/0x4f0 fs/ntfs3/fsntfs.c:330
ntfs_fill_super+0x2ca2/0x49c0 fs/ntfs3/super.c:1284
get_tree_bdev+0x3f7/0x570 fs/super.c:1615
vfs_get_tree+0x90/0x2a0 fs/super.c:1780
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: 0033:0x7fd51847f46a
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:00007fd519210ef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd519210f80 RCX: 00007fd51847f46a
RDX: 0000000020000840 RSI: 0000000020000000 RDI: 00007fd519210f40
RBP: 0000000020000840 R08: 00007fd519210f80 R09: 0000000003210c5e
R10: 0000000003210c5e R11: 0000000000000202 R12: 0000000020000000
R13: 00007fd519210f40 R14: 000000000001f222 R15: 00000000200001c0
</TASK>