rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2142 jiffies s: 2465 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 PID: 2800 Comm: syz-executor.2 Not tainted 6.1.59-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:lock_release+0x9/0x2b0 kernel/locking/lockdep.c:5669 Code: 00 e8 6b 1b 00 00 eb a2 89 05 9b a9 67 04 e9 99 fe ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 41 57 41 56 41 55 41 54 <53> 48 83 ec 28 48 89 f5 49 89 ff 65 48 8b 04 25 28 00 00 00 48 89 RSP: 0018:ffffc900019b7998 EFLAGS: 00000203 RAX: ffffffff834024d0 RBX: ffff888118eec801 RCX: ffff88811b858000 RDX: 0000000000000000 RSI: ffffffff83402278 RDI: ffffffff845ac090 RBP: 0000000000000000 R08: ffffffff834023c4 R09: 0000000000000000 R10: 0000000000000000 R11: ffff88811b858000 R12: ffff888116bb6000 R13: 0000000000000000 R14: ffffffff83402278 R15: 0000000000000000 FS: 000055555611a480(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcb8a93f08 CR3: 0000000113b74000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: xa_get_mark+0x2b1/0x2d0 devlinks_xa_find_get+0x82/0x260 net/devlink/leftover.c:308 devlinks_xa_find_get_first net/devlink/leftover.c:328 [inline] devlink_nl_cmd_port_get_dumpit+0x52/0x270 net/devlink/leftover.c:1556 netlink_dump+0x227/0x480 net/netlink/af_netlink.c:2231 __netlink_dump_start+0x2b0/0x370 net/netlink/af_netlink.c:2335 genl_family_rcv_msg_dumpit net/netlink/genetlink.c:714 [inline] genl_family_rcv_msg net/netlink/genetlink.c:830 [inline] genl_rcv_msg+0x4bf/0x610 net/netlink/genetlink.c:850 netlink_rcv_skb+0x10a/0x1d0 net/netlink/af_netlink.c:2508 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x46d/0x530 net/netlink/af_netlink.c:1352 netlink_sendmsg+0x57f/0x660 net/netlink/af_netlink.c:1874 sock_sendmsg_nosec net/socket.c:716 [inline] __sock_sendmsg net/socket.c:728 [inline] __sys_sendto+0x382/0x440 net/socket.c:2134 __do_sys_sendto net/socket.c:2146 [inline] __se_sys_sendto net/socket.c:2142 [inline] __x64_sys_sendto+0x24/0x30 net/socket.c:2142 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f677e428573 Code: 64 89 02 48 c7 c0 ff ff ff ff eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 80 3d 91 c9 0f 00 00 41 89 ca 74 14 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 75 c3 0f 1f 40 00 55 48 83 ec 30 44 89 4c 24 RSP: 002b:00007ffcce1b3538 EFLAGS: 00000202 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f677f06e620 RCX: 00007f677e428573 RDX: 0000000000000034 RSI: 00007f677f06e670 RDI: 0000000000000005 RBP: 0000000000000005 R08: 00007ffcce1b3554 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 R13: 00007ffcce1b35c8 R14: 00007f677f06e670 R15: 0000000000000000