lo speed is unknown, defaulting to 1000 lo speed is unknown, defaulting to 1000 lo speed is unknown, defaulting to 1000 infiniband sz1: set active infiniband sz1: added lo smbdirect: ib_dev[sz1]: added: IB_CA max_fast_reg_page_list_len=512 device_cap_flags=0x1c001223c76 kernel_cap_flags=0x14 page_size_cap=0xfffff000 smbdirect: ib_dev[sz1]: num_ports=1 max_qp_rd_atom=128 max_qp_init_rd_atom=128 max_sgl_rd=0 max_sge_rd=32 max_cqe=32767 max_qp_wr=1048576 max_send_sge=32 max_recv_sge=32 smbdirect: ib_dev[sz1]PORT[1]: iwarp=0 ib=0 roce=1 v1=0 v2=1 core_cap_flags=0x803005 RDS/IB: sz1: added smc: adding ib device sz1 with port count 1 smc: ib device sz1 port 1 has no pnetid lo speed is unknown, defaulting to 1000 smc: removing ib device sz1 smbdirect: ib_dev[sz1] removed ------------[ cut here ]------------ !xa_empty(&pool->xa) WARNING: drivers/infiniband/sw/rxe/rxe_pool.c:116 at rxe_pool_cleanup+0x48/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116, CPU#0: syz.0.0/5321 Modules linked in: CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:rxe_pool_cleanup+0x48/0x60 drivers/infiniband/sw/rxe/rxe_pool.c:116 Code: 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 f0 4e 4e f9 48 83 3b 00 75 0c e8 15 19 df f8 5b e9 0f 70 ef 02 cc e8 09 19 df f8 90 <0f> 0b 90 5b e9 ff 6f ef 02 cc 66 66 66 66 66 2e 0f 1f 84 00 00 00 RSP: 0018:ffffc9000db3f040 EFLAGS: 00010246 RAX: ffffffff88e7f8d7 RBX: ffff888039285418 RCX: 0000000000100000 RDX: ffffc90020001000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: ffff8880392850f8 R08: ffff8880392847ab R09: 1ffff110072508f5 R10: dffffc0000000000 R11: ffffffff88e628c0 R12: ffff8880392850f8 R13: 1ffff110072509ef R14: ffffffff88e628c0 R15: dffffc0000000000 FS: 00007f35725d46c0(0000) GS:ffff88808c53e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000000c0 CR3: 000000003b123000 CR4: 0000000000352ef0 Call Trace: rxe_dealloc+0x27/0xc0 drivers/infiniband/sw/rxe/rxe.c:26 ib_dealloc_device+0x54/0x200 drivers/infiniband/core/device.c:668 __ib_unregister_device+0x38f/0x400 drivers/infiniband/core/device.c:1554 ib_unregister_device_and_put+0xb8/0xf0 drivers/infiniband/core/device.c:1601 nldev_dellink+0x39e/0x430 drivers/infiniband/core/nldev.c:1860 rdma_nl_rcv_msg drivers/infiniband/core/netlink.c:-1 [inline] rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline] rdma_nl_rcv+0x6ef/0xa40 drivers/infiniband/core/netlink.c:259 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x7bb/0x940 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:775 __sock_sendmsg net/socket.c:790 [inline] ____sys_sendmsg+0x54e/0x850 net/socket.c:2684 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2738 __sys_sendmsg net/socket.c:2770 [inline] __do_sys_sendmsg net/socket.c:2775 [inline] __se_sys_sendmsg net/socket.c:2773 [inline] __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2773 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f357619e0d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f35725d3fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f3576426090 RCX: 00007f357619e0d9 RDX: 0000000000000000 RSI: 00002000000002c0 RDI: 000000000000000a RBP: 00007f3576235024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3576426128 R14: 00007f3576426090 R15: 00007ffd72193ba8