smc: adding ib device syz2 with port count 1
BUG: sleeping function called from invalid context at kernel/locking/mutex.c:577
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 18643, name: syz-executor.1
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
6 locks held by syz-executor.1/18643:
 #0: 
ffffffff90877018 (&rdma_nl_types[idx].sem
){.+.+}-{3:3}
, at: rdma_nl_rcv_msg+0x161/0x690 drivers/infiniband/core/netlink.c:164
 #1: 
ffffffff8d04f890
 (
link_ops_rwsem
){++++}-{3:3}
, at: nldev_newlink+0x25d/0x560 drivers/infiniband/core/nldev.c:1707
 #2: 
ffffffff8d03f0f0
 (
devices_rwsem){++++}-{3:3}, at: enable_device_and_get+0xfc/0x3b0 drivers/infiniband/core/device.c:1321
 #3: ffffffff8d03efb0
 (
clients_rwsem
){++++}-{3:3}
, at: enable_device_and_get+0x15b/0x3b0 drivers/infiniband/core/device.c:1329
 #4: ffff888013d685c0
 (&device->client_data_rwsem
){++++}-{3:3}
, at: add_client_context+0x3d0/0x5e0 drivers/infiniband/core/device.c:718
 #5: 
ffff888049703e18
 (
&pnettable->lock
){++++}-{2:2}
, at: smc_pnetid_by_table_ib+0x18c/0x470 net/smc/smc_pnet.c:1159
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 3 PID: 18643 Comm: syz-executor.1 Not tainted 5.17.0-rc5-syzkaller-00021-g23d04328444a #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9585
 __mutex_lock_common kernel/locking/mutex.c:577 [inline]
 __mutex_lock+0x9f/0x12f0 kernel/locking/mutex.c:733
 smc_pnet_apply_ib+0x28/0x160 net/smc/smc_pnet.c:251
 smc_pnetid_by_table_ib+0x2ae/0x470 net/smc/smc_pnet.c:1164
 smc_ib_add_dev+0x4d7/0x900 net/smc/smc_ib.c:940
 add_client_context+0x405/0x5e0 drivers/infiniband/core/device.c:720
 enable_device_and_get+0x1cd/0x3b0 drivers/infiniband/core/device.c:1331
 ib_register_device drivers/infiniband/core/device.c:1419 [inline]
 ib_register_device+0x814/0xaf0 drivers/infiniband/core/device.c:1365
 rxe_register_device+0x2fe/0x3b0 drivers/infiniband/sw/rxe/rxe_verbs.c:1146
 rxe_add+0x1331/0x1710 drivers/infiniband/sw/rxe/rxe.c:246
 rxe_net_add+0x8c/0xe0 drivers/infiniband/sw/rxe/rxe_net.c:538
 rxe_newlink drivers/infiniband/sw/rxe/rxe.c:268 [inline]
 rxe_newlink+0xa9/0xd0 drivers/infiniband/sw/rxe/rxe.c:249
 nldev_newlink+0x30a/0x560 drivers/infiniband/core/nldev.c:1717
 rdma_nl_rcv_msg+0x36d/0x690 drivers/infiniband/core/netlink.c:195
 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
 rdma_nl_rcv+0x2ee/0x430 drivers/infiniband/core/netlink.c:259
 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
 netlink_unicast+0x539/0x7e0 net/netlink/af_netlink.c:1343
 netlink_sendmsg+0x904/0xe00 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:705 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:725
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2413
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2467
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2496
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f7b66207059
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7b64b7c168 EFLAGS: 00000246
 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f7b66319f60 RCX: 00007f7b66207059
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
RBP: 00007f7b6626108d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcc1d9792f R14: 00007f7b64b7c300 R15: 0000000000022000
 </TASK>

=============================
[ BUG: Invalid wait context ]
5.17.0-rc5-syzkaller-00021-g23d04328444a #0 Tainted: G        W        
-----------------------------
syz-executor.1/18643 is trying to lock:
ffffffff8d70f5d8 (smc_ib_devices.mutex){+.+.}-{3:3}, at: smc_pnet_apply_ib+0x28/0x160 net/smc/smc_pnet.c:251
other info that might help us debug this:
context-{4:4}
6 locks held by syz-executor.1/18643:
 #0: ffffffff90877018 (&rdma_nl_types[idx].sem){.+.+}-{3:3}, at: rdma_nl_rcv_msg+0x161/0x690 drivers/infiniband/core/netlink.c:164
 #1: ffffffff8d04f890 (link_ops_rwsem){++++}-{3:3}, at: nldev_newlink+0x25d/0x560 drivers/infiniband/core/nldev.c:1707
 #2: ffffffff8d03f0f0 (devices_rwsem){++++}-{3:3}, at: enable_device_and_get+0xfc/0x3b0 drivers/infiniband/core/device.c:1321
 #3: ffffffff8d03efb0 (clients_rwsem){++++}-{3:3}, at: enable_device_and_get+0x15b/0x3b0 drivers/infiniband/core/device.c:1329
 #4: 
ffff888013d685c0 (&device->client_data_rwsem){++++}-{3:3}, at: add_client_context+0x3d0/0x5e0 drivers/infiniband/core/device.c:718
 #5: ffff888049703e18 (&pnettable->lock
){++++}-{2:2}, at: smc_pnetid_by_table_ib+0x18c/0x470 net/smc/smc_pnet.c:1159
stack backtrace:
CPU: 3 PID: 18643 Comm: syz-executor.1 Tainted: G        W         5.17.0-rc5-syzkaller-00021-g23d04328444a #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 print_lock_invalid_wait_context kernel/locking/lockdep.c:4678 [inline]
 check_wait_context kernel/locking/lockdep.c:4739 [inline]
 __lock_acquire.cold+0xc5/0x3a9 kernel/locking/lockdep.c:4977
 lock_acquire kernel/locking/lockdep.c:5639 [inline]
 lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5604
 __mutex_lock_common kernel/locking/mutex.c:600 [inline]
 __mutex_lock+0x12f/0x12f0 kernel/locking/mutex.c:733
 smc_pnet_apply_ib+0x28/0x160 net/smc/smc_pnet.c:251
 smc_pnetid_by_table_ib+0x2ae/0x470 net/smc/smc_pnet.c:1164
 smc_ib_add_dev+0x4d7/0x900 net/smc/smc_ib.c:940
 add_client_context+0x405/0x5e0 drivers/infiniband/core/device.c:720
 enable_device_and_get+0x1cd/0x3b0 drivers/infiniband/core/device.c:1331
 ib_register_device drivers/infiniband/core/device.c:1419 [inline]
 ib_register_device+0x814/0xaf0 drivers/infiniband/core/device.c:1365
 rxe_register_device+0x2fe/0x3b0 drivers/infiniband/sw/rxe/rxe_verbs.c:1146
 rxe_add+0x1331/0x1710 drivers/infiniband/sw/rxe/rxe.c:246
 rxe_net_add+0x8c/0xe0 drivers/infiniband/sw/rxe/rxe_net.c:538
 rxe_newlink drivers/infiniband/sw/rxe/rxe.c:268 [inline]
 rxe_newlink+0xa9/0xd0 drivers/infiniband/sw/rxe/rxe.c:249
 nldev_newlink+0x30a/0x560 drivers/infiniband/core/nldev.c:1717
 rdma_nl_rcv_msg+0x36d/0x690 drivers/infiniband/core/netlink.c:195
 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
 rdma_nl_rcv+0x2ee/0x430 drivers/infiniband/core/netlink.c:259
 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline]
 netlink_unicast+0x539/0x7e0 net/netlink/af_netlink.c:1343
 netlink_sendmsg+0x904/0xe00 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:705 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:725
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2413
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2467
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2496
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f7b66207059
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7b64b7c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f7b66319f60 RCX: 00007f7b66207059
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
RBP: 00007f7b6626108d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcc1d9792f R14: 00007f7b64b7c300 R15: 0000000000022000
 </TASK>
smc:    ib device syz2 port 1 has pnetid SYZ0 (user defined)