rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-...D } 2688 jiffies s: 30825 root: 0x1/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 6782 Comm: syz.5.101 Not tainted 6.12.0-rc2-syzkaller-00205-g1d227fcc7222 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__netif_schedule+0x2b1/0x310 net/core/dev.c:3139 Code: 4d 85 e4 75 16 e8 3f 29 03 f8 eb 15 e8 38 29 03 f8 e8 73 d9 33 02 4d 85 e4 74 ea e8 29 29 03 f8 fb 48 c7 44 24 20 0e 36 e0 45 <4b> c7 44 35 00 00 00 00 00 66 43 c7 44 35 09 00 00 43 c6 44 35 0b RSP: 0018:ffffc90000007ba0 EFLAGS: 00000006 RAX: ffffffff8991bc44 RBX: 0000000000000001 RCX: ffff88802c551e00 RDX: 0000000000010000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90000007c80 R08: ffffffff8991bc3a R09: 1ffff110085e542b R10: dffffc0000000000 R11: ffffed10085e542c R12: ffff888042f2a000 R13: dffffc0000000000 R14: 1ffff92000000f78 R15: ffff888042f2a300 FS: 00007face635c6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e4065c3950 CR3: 0000000030f8a000 CR4: 0000000000350ef0 Call Trace: advance_sched+0xaa9/0xca0 net/sched/sch_taprio.c:986 __run_hrtimer kernel/time/hrtimer.c:1691 [inline] __hrtimer_run_queues+0x59d/0xd50 kernel/time/hrtimer.c:1755 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1817 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1026 [inline] __sysvec_apic_timer_interrupt+0x112/0x3f0 arch/x86/kernel/apic/apic.c:1043 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1037 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 6e 43 2f f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 33 e9 93 f5 65 8b 05 44 83 34 74 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc90003a3ede0 EFLAGS: 00000206 RAX: 1249348578f0fa00 RBX: 1ffff92000747dc0 RCX: ffffffff8170ce6a RDX: dffffc0000000000 RSI: ffffffff8c0acac0 RDI: 0000000000000001 RBP: ffffc90003a3ee70 R08: ffffffff942c797f R09: 1ffffffff2858f2f R10: dffffc0000000000 R11: fffffbfff2858f30 R12: dffffc0000000000 R13: 1ffff92000747dbc R14: ffffc90003a3ee00 R15: 0000000000000246 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] taprio_change+0x26d2/0x44c0 net/sched/sch_taprio.c:1972 taprio_init+0x9da/0xc80 net/sched/sch_taprio.c:2113 qdisc_create+0x9d6/0x11a0 net/sched/sch_api.c:1360 tc_modify_qdisc+0xa26/0x1e40 net/sched/sch_api.c:1782 rtnetlink_rcv_msg+0x741/0xcf0 net/core/rtnetlink.c:6675 netlink_rcv_skb+0x1e5/0x430 net/netlink/af_netlink.c:2551 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline] netlink_unicast+0x7f8/0x990 net/netlink/af_netlink.c:1357 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg+0x223/0x270 net/socket.c:744 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2607 ___sys_sendmsg net/socket.c:2661 [inline] __sys_sendmsg+0x292/0x380 net/socket.c:2690 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7face557dff9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007face635c038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007face5735f80 RCX: 00007face557dff9 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 RBP: 00007face55f0296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007face5735f80 R15: 00007ffd8dc90a88