lo speed is unknown, defaulting to 1000
lo speed is unknown, defaulting to 1000
infiniband syz1: set active
infiniband syz1: added lo
general protection fault, probably for non-canonical address 0xdffffc000000008e: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000470-0x0000000000000477]
CPU: 0 PID: 8788 Comm: syz-executor.3 Not tainted 5.7.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
RIP: 0010:rds_ib_add_one net/rds/ib.c:139 [inline]
RIP: 0010:rds_ib_add_one+0xbb/0xc90 net/rds/ib.c:130
Code: 80 3c 02 00 0f 85 45 0a 00 00 49 8b 9c 24 f0 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 70 04 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5a
RSP: 0018:ffffc90008d36bf0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc900236a5000
RDX: 000000000000008e RSI: ffffffff875a4218 RDI: 0000000000000470
RBP: 0000000000000001 R08: ffff8880640f0500 R09: ffffed100512489f
R10: ffff8880289244f7 R11: ffffed100512489e R12: ffff888028924000
R13: ffffffff8a75b960 R14: 1ffff920011a6d89 R15: ffff8880289244e8
FS:  0000000000000000(0000) GS:ffff88802ce00000(0063) knlGS:00000000f5d79b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007f2128f9c000 CR3: 000000006207f000 CR4: 0000000000340ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 add_client_context+0x3b4/0x520 drivers/infiniband/core/device.c:681
 enable_device_and_get+0x1cd/0x3b0 drivers/infiniband/core/device.c:1318
 ib_register_device drivers/infiniband/core/device.c:1384 [inline]
 ib_register_device+0xa12/0xda0 drivers/infiniband/core/device.c:1345
 rxe_register_device+0x50a/0x634 drivers/infiniband/sw/rxe/rxe_verbs.c:1231
 rxe_add+0x1353/0x17df drivers/infiniband/sw/rxe/rxe.c:304
 rxe_net_add+0x8c/0xe0 drivers/infiniband/sw/rxe/rxe_net.c:539
 rxe_newlink+0x34/0x90 drivers/infiniband/sw/rxe/rxe.c:320
 nldev_newlink+0x29e/0x420 drivers/infiniband/core/nldev.c:1541
 rdma_nl_rcv_msg drivers/infiniband/core/netlink.c:195 [inline]
 rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
 rdma_nl_rcv+0x586/0x900 drivers/infiniband/core/netlink.c:259
 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
 netlink_unicast+0x537/0x740 net/netlink/af_netlink.c:1329
 netlink_sendmsg+0x882/0xe10 net/netlink/af_netlink.c:1918
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 sock_no_sendpage+0xf1/0x130 net/core/sock.c:2851
 kernel_sendpage+0x82/0xd0 net/socket.c:3642
 sock_sendpage+0x8a/0xb0 net/socket.c:945
 pipe_to_sendpage+0x2aa/0x380 fs/splice.c:448
 splice_from_pipe_feed fs/splice.c:502 [inline]
 __splice_from_pipe+0x3f3/0x7c0 fs/splice.c:626
 splice_from_pipe+0xd9/0x140 fs/splice.c:661
 do_splice_from+0x86/0x110 fs/splice.c:846
 direct_splice_actor+0xa3/0x110 fs/splice.c:1016
 splice_direct_to_actor+0x38c/0x980 fs/splice.c:971
 do_splice_direct+0x1b4/0x280 fs/splice.c:1059
 do_sendfile+0x555/0xc50 fs/read_write.c:1521
 __do_compat_sys_sendfile fs/read_write.c:1603 [inline]
 __se_compat_sys_sendfile fs/read_write.c:1586 [inline]
 __ia32_compat_sys_sendfile+0x1e0/0x220 fs/read_write.c:1586
 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline]
 do_fast_syscall_32+0x270/0xe90 arch/x86/entry/common.c:396
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
Modules linked in:
---[ end trace 83ac4ac83fc225c4 ]---
RIP: 0010:rds_ib_add_one net/rds/ib.c:139 [inline]
RIP: 0010:rds_ib_add_one+0xbb/0xc90 net/rds/ib.c:130
Code: 80 3c 02 00 0f 85 45 0a 00 00 49 8b 9c 24 f0 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 70 04 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 5a
RSP: 0018:ffffc90008d36bf0 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc900236a5000
RDX: 000000000000008e RSI: ffffffff875a4218 RDI: 0000000000000470
RBP: 0000000000000001 R08: ffff8880640f0500 R09: ffffed100512489f
R10: ffff8880289244f7 R11: ffffed100512489e R12: ffff888028924000
R13: ffffffff8a75b960 R14: 1ffff920011a6d89 R15: ffff8880289244e8
FS:  0000000000000000(0000) GS:ffff88802cf00000(0063) knlGS:00000000f5d79b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002e62f000 CR3: 000000006207f000 CR4: 0000000000340ee0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400