rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 ticks this GP) idle=673/1/0x4000000000000000 softirq=4176/4176 fqs=0 
	(detected by 0, t=10004 jiffies, g=1869, q=385)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1999 Comm: syz-executor.0 Not tainted 5.15.160-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:arch_atomic_try_cmpxchg arch/x86/include/asm/atomic.h:202 [inline]
RIP: 0010:atomic_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:513 [inline]
RIP: 0010:queued_spin_lock include/asm-generic/qspinlock.h:82 [inline]
RIP: 0010:do_raw_spin_lock+0x3a/0xa0 kernel/locking/spinlock_debug.c:115
Code: 55 10 65 48 8b 04 25 80 af 01 00 48 39 c2 74 43 8b 55 08 65 8b 05 c6 38 e3 7e 39 c2 74 46 31 c0 ba 01 00 00 00 f0 0f b1 55 00 <75> 49 65 8b 05 ad 38 e3 7e 89 45 08 65 48 8b 04 25 80 af 01 00 48
RSP: 0018:ffffc900000b8ea8 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff88810a3edf40 RCX: 00000000fe718bf5
RDX: 0000000000000001 RSI: 00000000c3afb8ed RDI: ffff88810a3edee8
RBP: ffff88810a3edee8 R08: 000000000008062c R09: 0000000000000000
R10: 0000000000080000 R11: 0000000000001ae6 R12: ffffffff8221fc10
R13: ffff888237d1dd80 R14: ffff888237d1dd80 R15: 0000000037d1e901
FS:  0000555555cc3480(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555ccc818 CR3: 0000000110297000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 spin_lock include/linux/spinlock.h:363 [inline]
 advance_sched+0x30/0x250 net/sched/sch_taprio.c:716
 __run_hrtimer kernel/time/hrtimer.c:1686 [inline]
 __hrtimer_run_queues+0x1db/0x4a0 kernel/time/hrtimer.c:1750
 hrtimer_interrupt+0x124/0x2a0 kernel/time/hrtimer.c:1812
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x63/0x100 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x6d/0x90 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:security_inode_getattr+0x19/0x80 security/security.c:1346
Code: 5b 5d 41 5c 41 5d c3 66 2e 0f 1f 84 00 00 00 00 00 41 54 55 48 89 fd 53 e8 34 11 a7 ff 48 8b 45 08 31 ff 48 8b 40 68 8b 58 0c <81> e3 00 02 00 00 89 de e8 1a 0a a7 ff 85 db 75 3a e8 11 11 a7 ff
RSP: 0018:ffffc9000142be08 EFLAGS: 00000246
RAX: ffff88810da73158 RBX: 0000000000000000 RCX: ffffffff81435228
RDX: ffff8881057951c0 RSI: ffffffff8182117c RDI: 0000000000000000
RBP: ffffc9000142be30 R08: 0000000000000078 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 00000000ffffff9c R14: 00007ffe509ccf10 R15: 0000000000000900
 vfs_getattr fs/stat.c:157 [inline]
 vfs_statx+0xf0/0x1f0 fs/stat.c:225
 vfs_fstatat fs/stat.c:243 [inline]
 __do_sys_newfstatat+0x47/0xb0 fs/stat.c:411
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x33/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f952dd7594a
Code: 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 0b 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b0 ff ff ff f7
RSP: 002b:00007ffe509cce58 EFLAGS: 00000286 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f952dd7594a
RDX: 00007ffe509cce80 RSI: 00007ffe509ccf10 RDI: 00000000ffffff9c
RBP: 00007ffe509ccf10 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000286 R12: 00007ffe509cdfd0
R13: 00007f952ddc23b9 R14: 000000000000b03a R15: 0000000000000004
 </TASK>
rcu: rcu_sched kthread timer wakeup didn't happen for 10003 jiffies! g1869 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: 	Possible timer handling issue on cpu=1 timer-softirq=2246
rcu: rcu_sched kthread starved for 10004 jiffies! g1869 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
rcu: 	Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_sched       state:I stack:14328 pid:   12 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x2c8/0x7d0 kernel/sched/core.c:6376
 schedule+0x53/0x90 kernel/sched/core.c:6459
 schedule_timeout+0xde/0x170 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0xe2/0x320 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0x77/0xe0 kernel/rcu/tree.c:2145
 kthread+0x13a/0x160 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1999 Comm: syz-executor.0 Not tainted 5.15.160-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:331 [inline]
RIP: 0010:rcu_is_watching+0x0/0x20 kernel/rcu/tree.c:1123
Code: 02 c3 0f 1f 84 00 00 00 00 00 85 ff 75 13 0f bf 05 95 73 59 02 89 06 48 8b 05 24 73 59 02 48 89 02 c3 0f 1f 84 00 00 00 00 00 <48> c7 c0 08 c6 02 00 65 48 03 05 39 99 e0 7e 8b 00 83 e0 01 c3 66
RSP: 0018:ffffc900000b8e70 EFLAGS: 00000047
RAX: 0000000000000001 RBX: ffff88810a3edf40 RCX: ffffffff820fbb71
RDX: ffff8881057951c0 RSI: ffffffff8221fd4d RDI: ffffffff837a26c0
RBP: ffffffff837a26c0 R08: 00000000000a0015 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000001ae6 R12: ffff88810b672a80
R13: ffffffff8221fd4d R14: 0000000aa5bd87b6 R15: 0000000004000000
FS:  0000555555cc3480(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555ccc818 CR3: 0000000110297000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 trace_lock_release include/trace/events/lock.h:58 [inline]
 lock_release+0x1b1/0x220 kernel/locking/lockdep.c:5634
 rcu_lock_release include/linux/rcupdate.h:317 [inline]
 rcu_read_unlock include/linux/rcupdate.h:772 [inline]
 advance_sched+0x1a5/0x250 net/sched/sch_taprio.c:771
 __run_hrtimer kernel/time/hrtimer.c:1686 [inline]
 __hrtimer_run_queues+0x1db/0x4a0 kernel/time/hrtimer.c:1750
 hrtimer_interrupt+0x124/0x2a0 kernel/time/hrtimer.c:1812
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0x63/0x100 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x6d/0x90 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:security_inode_getattr+0x19/0x80 security/security.c:1346
Code: 5b 5d 41 5c 41 5d c3 66 2e 0f 1f 84 00 00 00 00 00 41 54 55 48 89 fd 53 e8 34 11 a7 ff 48 8b 45 08 31 ff 48 8b 40 68 8b 58 0c <81> e3 00 02 00 00 89 de e8 1a 0a a7 ff 85 db 75 3a e8 11 11 a7 ff
RSP: 0018:ffffc9000142be08 EFLAGS: 00000246
RAX: ffff88810da73158 RBX: 0000000000000000 RCX: ffffffff81435228
RDX: ffff8881057951c0 RSI: ffffffff8182117c RDI: 0000000000000000
RBP: ffffc9000142be30 R08: 0000000000000078 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 00000000ffffff9c R14: 00007ffe509ccf10 R15: 0000000000000900
 vfs_getattr fs/stat.c:157 [inline]
 vfs_statx+0xf0/0x1f0 fs/stat.c:225
 vfs_fstatat fs/stat.c:243 [inline]
 __do_sys_newfstatat+0x47/0xb0 fs/stat.c:411
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x33/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f952dd7594a
Code: 48 89 f2 b9 00 01 00 00 48 89 fe bf 9c ff ff ff e9 0b 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca b8 06 01 00 00 0f 05 <3d> 00 f0 ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b0 ff ff ff f7
RSP: 002b:00007ffe509cce58 EFLAGS: 00000286 ORIG_RAX: 0000000000000106
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f952dd7594a
RDX: 00007ffe509cce80 RSI: 00007ffe509ccf10 RDI: 00000000ffffff9c
RBP: 00007ffe509ccf10 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000286 R12: 00007ffe509cdfd0
R13: 00007f952ddc23b9 R14: 000000000000b03a R15: 0000000000000004
 </TASK>