rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2102 jiffies s: 2777 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: 5709 Comm: syz-executor.4 Not tainted 6.1.54-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
RIP: 0010:check_kcov_mode kernel/kcov.c:184 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x32/0x60 kernel/kcov.c:207
Code: 64 93 d5 7e 65 8b 15 65 93 d5 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 b4 14 00 00 00 74 2c 8b 91 90 14 00 00 <83> fa 02 75 21 48 8b 91 98 14 00 00 48 8b 32 48 8d 7e 01 8b 89 94
RSP: 0018:ffffc90001ef3940 EFLAGS: 00000246
RAX: ffffffff82a8f53f RBX: 0000000000000001 RCX: ffff888109bf3680
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffff82a8f4c8 R09: 0000000000000000
R10: 0000000000000000 R11: ffff888109bf3680 R12: ffffffffffffffff
R13: 0000000000000001 R14: 0000000000000001 R15: ffffc90001ef39b0
FS:  0000555555dcc480(0000) GS:ffff888237d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb34281e897 CR3: 000000010a384000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 xas_find_marked+0x21f/0x460 lib/xarray.c:1357
 xa_find+0xb0/0x140 lib/xarray.c:2022
 devlinks_xa_find_get+0x3f/0x210 net/devlink/leftover.c:300
 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+0x21f/0x530 net/netlink/af_netlink.c:2260
 __netlink_dump_start+0x2b0/0x370 net/netlink/af_netlink.c:2365
 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:2525
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:861
 netlink_unicast_kernel net/netlink/af_netlink.c:1328 [inline]
 netlink_unicast+0x467/0x530 net/netlink/af_netlink.c:1354
 netlink_sendmsg+0x57f/0x660 net/netlink/af_netlink.c:1903
 sock_sendmsg_nosec net/socket.c:716 [inline]
 sock_sendmsg net/socket.c:736 [inline]
 __sys_sendto+0x382/0x440 net/socket.c:2117
 __do_sys_sendto net/socket.c:2129 [inline]
 __se_sys_sendto net/socket.c:2125 [inline]
 __x64_sys_sendto+0x24/0x30 net/socket.c:2125
 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: 0033:0x7f5f6d876573
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:00007ffcc3275538 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f5f6e4bc620 RCX: 00007f5f6d876573
RDX: 0000000000000034 RSI: 00007f5f6e4bc670 RDI: 0000000000000005
RBP: 0000000000000005 R08: 00007ffcc3275554 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
R13: 00007ffcc32755c8 R14: 00007f5f6e4bc670 R15: 0000000000000000
 </TASK>