INFO: task syz-executor.2:7938 blocked for more than 143 seconds.
      Not tainted 6.9.0-syzkaller-12171-gccf23c916ca3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:24504 pid:7938  tgid:7936  ppid:5127   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 genl_lock net/netlink/genetlink.c:35 [inline]
 genl_op_lock net/netlink/genetlink.c:60 [inline]
 genl_rcv_msg+0x121/0xec0 net/netlink/genetlink.c:1209
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2564
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
 netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1361
 netlink_sendmsg+0x8db/0xcb0 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745
 __sys_sendto+0x3a4/0x4f0 net/socket.c:2192
 __do_sys_sendto net/socket.c:2204 [inline]
 __se_sys_sendto net/socket.c:2200 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2200
 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: 0033:0x7f9542c7ebdc
RSP: 002b:00007f9543945f50 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f9543946050 RCX: 00007f9542c7ebdc
RDX: 000000000000001c RSI: 00007f95439460a0 RDI: 000000000000000e
RBP: 0000000000000000 R08: 00007f9543945fa4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 000000000000000e
R13: 00007f9543945ff8 R14: 00007f95439460a0 R15: 0000000000000000
 </TASK>
INFO: task syz-executor.2:7943 blocked for more than 143 seconds.
      Not tainted 6.9.0-syzkaller-12171-gccf23c916ca3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:24144 pid:7943  tgid:7936  ppid:5127   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 ib_get_eth_speed+0x153/0x800 drivers/infiniband/core/verbs.c:1983
 rxe_query_port+0x76/0x260 drivers/infiniband/sw/rxe/rxe_verbs.c:55
 __ib_query_port drivers/infiniband/core/device.c:2067 [inline]
 ib_query_port+0x166/0x7d0 drivers/infiniband/core/device.c:2099
 rxe_port_immutable+0xc4/0x350 drivers/infiniband/sw/rxe/rxe_verbs.c:188