rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-...0: (1 GPs behind) idle=0df/1/0x4000000000000000 softirq=8599/8602 fqs=2100 (detected by 1, t=10504 jiffies, g=9721, q=1287) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4289 Comm: syz-executor Not tainted 5.15.165-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:mark_lock+0x103/0x340 kernel/locking/lockdep.c:4610 Code: 50 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 90 0f 67 00 41 bc 01 00 00 00 44 85 33 74 53 44 89 e0 48 83 c4 10 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 e8 4e d3 a2 02 85 c0 74 be 48 c7 c0 RSP: 0018:ffffc90000007a30 EFLAGS: 00000086 RAX: 0000000000000001 RBX: ffff888078680b40 RCX: ffffffff81631a88 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff9070f0c0 RBP: 0000000000000009 R08: dffffc0000000000 R09: fffffbfff20e1e19 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: dffffc0000000000 R14: 0000000000000200 R15: ffff888078680b40 FS: 0000555556eea500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f56aa9a4d00 CR3: 00000000594f2000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: mark_usage kernel/locking/lockdep.c:4512 [inline] __lock_acquire+0xc97/0x1ff0 kernel/locking/lockdep.c:4966 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 rcu_lock_acquire+0x2a/0x30 include/linux/rcupdate.h:312 rcu_read_lock include/linux/rcupdate.h:739 [inline] advance_sched+0x6ce/0x940 net/sched/sch_taprio.c:769 __run_hrtimer kernel/time/hrtimer.c:1686 [inline] __hrtimer_run_queues+0x598/0xcf0 kernel/time/hrtimer.c:1750 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline] __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:lock_acquire+0x252/0x4f0 kernel/locking/lockdep.c:5627 Code: 2b 00 74 08 4c 89 f7 e8 4c 7b 67 00 f6 44 24 61 02 0f 85 84 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:ffffc9000120f180 EFLAGS: 00000206 RAX: 0000000000000001 RBX: 1ffff92000241e3c RCX: ffffffff81636652 RDX: dffffc0000000000 RSI: ffffffff8a8b3cc0 RDI: ffffffff8ad8f7c0 RBP: ffffc9000120f2d8 R08: dffffc0000000000 R09: fffffbfff20e1e20 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000241e38 R13: dffffc0000000000 R14: ffffc9000120f1e0 R15: 0000000000000246 down_read+0x45/0x2e0 kernel/locking/rwsem.c:1498 blocking_notifier_call_chain+0x5e/0x1b0 kernel/notifier.c:317 __inet_insert_ifa+0x9f8/0xc10 net/ipv4/devinet.c:553 inet_rtm_newaddr+0x8ca/0x1840 net/ipv4/devinet.c:956 rtnetlink_rcv_msg+0x993/0xee0 net/core/rtnetlink.c:5618 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2504 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x7b6/0x980 net/netlink/af_netlink.c:1352 netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1920 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] __sys_sendto+0x564/0x720 net/socket.c:2058 __do_sys_sendto net/socket.c:2070 [inline] __se_sys_sendto net/socket.c:2066 [inline] __x64_sys_sendto+0xda/0xf0 net/socket.c:2066 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f17f510ed4c Code: 2a 5a 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 70 5a 02 00 48 8b RSP: 002b:00007ffff9a27b10 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f17f5dd7620 RCX: 00007f17f510ed4c RDX: 0000000000000028 RSI: 00007f17f5dd7670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffff9a27b64 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f17f5dd7670 R15: 0000000000000000