rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2119 jiffies s: 2493 root: 0x2/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 15397 Comm: syz-executor406 Not tainted 6.1.92-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x60 kernel/kcov.c:206 Code: 00 00 00 0f 0b 90 53 48 89 fb e8 17 00 00 00 48 8b 3d e8 f9 97 02 48 89 de 5b e9 57 d9 1d 00 cc cc cc cc cc cc cc 48 8b 04 24 <65> 48 8b 0d c4 21 d4 7e 65 8b 15 c5 21 d4 7e f7 c2 00 01 ff 00 74 RSP: 0018:ffffc90001a179c0 EFLAGS: 00000246 RAX: ffffffff82b4036f RBX: 0000000000000001 RCX: ffff888108b83680 RDX: ffff888108b83680 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffff888119063400 R08: ffffffff82b40361 R09: 0000000000000000 R10: 0000000000000000 R11: ffff888108b83680 R12: 0000000040000000 R13: 0000000000000001 R14: ffff88810535b000 R15: 0000000000000001 FS: 000055555730e3c0(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562589745950 CR3: 000000010e291000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: xa_get_mark+0x11f/0x1e0 lib/xarray.c:1947 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+0x22f/0x560 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+0x3ba/0x480 net/netlink/af_netlink.c:1352 netlink_sendmsg+0x575/0x670 net/netlink/af_netlink.c:1874 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg net/socket.c:730 [inline] __sys_sendto+0x2fe/0x390 net/socket.c:2148 __do_sys_sendto net/socket.c:2160 [inline] __se_sys_sendto net/socket.c:2156 [inline] __x64_sys_sendto+0x24/0x30 net/socket.c:2156 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f1d27cfb3d3 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 11 7d 08 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:00007ffd662b5d58 EFLAGS: 00000202 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f1d27d85580 RCX: 00007f1d27cfb3d3 RDX: 0000000000000034 RSI: 00007f1d27d855d0 RDI: 0000000000000004 RBP: 0000000000000004 R08: 00007ffd662b5d74 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 R13: 00007ffd662b5f10 R14: 00007f1d27d855d0 R15: 0000000000000000