rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=16769, q=153 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294960219-4294949717), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g16769 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
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:27128 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5401 [inline]
 __schedule+0x16a2/0x4cb0 kernel/sched/core.c:6790
 __schedule_loop kernel/sched/core.c:6868 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:6883
 schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x301/0x1540 kernel/rcu/tree.c:2054
 rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:2256
 kthread+0x711/0x8a0 kernel/kthread.c:464
 ret_from_fork+0x3f9/0x770 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 6580 Comm: syz-executor Not tainted 6.16.0-rc5-syzkaller-00053-g8c2e52ebbe88 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:kasan_check_range+0x1d4/0x2c0 mm/kasan/generic.c:189
Code: 01 f3 49 8d 5c 24 07 4d 85 e4 49 0f 49 dc 48 83 e3 f8 49 29 dc 74 12 41 80 3b 00 0f 85 b8 00 00 00 49 ff c3 49 ff cc 75 ee 5b <41> 5c 41 5d 41 5e 41 5f 5d e9 ce 6b 49 09 cc 45 84 ff 75 63 41 f7
RSP: 0000:ffffc90000007d10 EFLAGS: 00000056
RAX: ffffffff81ae6d01 RBX: ffff8880b8627c08 RCX: ffffffff81ae6d40
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8fa0c5f0
RBP: ffffc90000007e90 R08: ffffffff8fa0c5f7 R09: 1ffffffff1f418be
R10: dffffc0000000000 R11: fffffbfff1f418bf R12: 0000000000000001
R13: 0000000000000000 R14: fffffbfff1f418bf R15: 1ffffffff1f418be
FS:  00007f0d50ac36c0(0000) GS:ffff888125c4f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055e061e5cbd8 CR3: 000000007a51c000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:68 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 cpumask_test_cpu include/linux/cpumask.h:638 [inline]
 cpu_online include/linux/cpumask.h:1197 [inline]
 trace_hrtimer_expire_exit include/trace/events/timer.h:306 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1764 [inline]
 __hrtimer_run_queues+0x590/0xc60 kernel/time/hrtimer.c:1825
 hrtimer_interrupt+0x45b/0xaa0 kernel/time/hrtimer.c:1887
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1039 [inline]
 __sysvec_apic_timer_interrupt+0x108/0x410 arch/x86/kernel/apic/apic.c:1056
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:preempt_schedule_irq+0xb0/0x150 kernel/sched/core.c:7113
Code: 24 20 f6 44 24 21 02 74 0c 90 0f 0b 48 f7 03 08 00 00 00 74 64 bf 01 00 00 00 e8 9b ad 27 f6 e8 56 8e 5e f6 fb bf 01 00 00 00 <e8> 6b ab ff ff 48 c7 44 24 40 00 00 00 00 9c 8f 44 24 40 8b 44 24
RSP: 0000:ffffc90003136fa0 EFLAGS: 00000286
RAX: fc811000c567a300 RBX: 0000000000000000 RCX: fc811000c567a300
RDX: 0000000000000006 RSI: ffffffff8d984d62 RDI: 0000000000000001
RBP: ffffc90003137040 R08: ffffffff8fa0c5f7 R09: 1ffffffff1f418be
R10: dffffc0000000000 R11: fffffbfff1f418bf R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000626df4
 irqentry_exit+0x6f/0x90 kernel/entry/common.c:307
 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:lockdep_unregister_key+0x2c5/0x310 kernel/locking/lockdep.c:6619
Code: 65 48 8b 05 7d bd fe 10 48 3b 44 24 10 0f 84 26 fe ff ff e8 1d a5 c9 09 e8 48 a6 c9 09 41 f7 c7 00 02 00 00 74 bd fb 40 84 ed <75> bc eb cd 90 0f 0b 90 e9 19 ff ff ff 90 0f 0b 90 e9 2a ff ff ff
RSP: 0000:ffffc90003137108 EFLAGS: 00000246
RAX: fc811000c567a300 RBX: ffff888029675a98 RCX: fc811000c567a300
RDX: ffffffff9360c318 RSI: ffffffff8d99855f RDI: ffffffff8be1ca40
RBP: ffff888029675a00 R08: 0000000000000000 R09: ffffffff81ab3cb8
R10: dffffc0000000000 R11: fffffbfff1f418bf R12: 0000000000000000
R13: 0000000000001000 R14: 0000000000000000 R15: 0000000000000207
 __qdisc_destroy+0x166/0x420 net/sched/sch_generic.c:1081
 taprio_attach+0x25a/0x380 net/sched/sch_taprio.c:2149
 qdisc_graft+0x1172/0x1590 net/sched/sch_api.c:1167
 __tc_modify_qdisc net/sched/sch_api.c:1757 [inline]
 tc_modify_qdisc+0x17a1/0x2010 net/sched/sch_api.c:1813
 rtnetlink_rcv_msg+0x77c/0xb70 net/core/rtnetlink.c:6953
 netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2534
 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
 netlink_unicast+0x758/0x8d0 net/netlink/af_netlink.c:1339
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg+0x219/0x270 net/socket.c:727
 ____sys_sendmsg+0x505/0x830 net/socket.c:2566
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620
 __sys_sendmsg net/socket.c:2652 [inline]
 __do_sys_sendmsg net/socket.c:2657 [inline]
 __se_sys_sendmsg net/socket.c:2655 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2655
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0d4fc7cee9
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:00007f0d50ac30c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f0d4fdb3fa0 RCX: 00007f0d4fc7cee9
RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004
RBP: 00007f0d4fcc947f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f0d4fdb3fa0 R15: 00007ffe3db53908
 </TASK>