lo speed is unknown, defaulting to 1000
lo speed is unknown, defaulting to 1000
infiniband syz1: set active
infiniband syz1: added lo
------------[ cut here ]------------
WARNING: CPU: 1 PID: 11426 at kernel/dma/mapping.c:149 dma_map_page_attrs+0x42d/0x5f0 kernel/dma/mapping.c:149
Modules linked in:
CPU: 0 PID: 11426 Comm: syz-executor.5 Not tainted 5.10.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:dma_map_page_attrs+0x42d/0x5f0 kernel/dma/mapping.c:149
Code: 48 8b 04 25 28 00 00 00 48 3b 44 24 48 0f 85 cb 01 00 00 4c 89 e8 48 83 c4 50 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 f3 0c 12 00 <0f> 0b eb 40 e8 ea 0c 12 00 48 8b 7c 24 08 eb 45 e8 de 0c 12 00 eb
RSP: 0018:ffffc9001638ed18 EFLAGS: 00010246
RAX: ffffffff8162f8ed RBX: ffffffff899030a0 RCX: 0000000000040000
RDX: ffffc90013cc2000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffff88806c3f4b00 R08: ffffffff8162f56f R09: 0000000000000000
R10: fffffbfff1d92c83 R11: 0000000000000000 R12: 0000000000000128
R13: ffffea0000c14700 R14: 00000000000004b8 R15: ffff88806c3f46e8
FS:  00007f1dfca79700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6816cba020 CR3: 0000000025527000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 dma_map_single_attrs include/linux/dma-mapping.h:279 [inline]
 ib_dma_map_single include/rdma/ib_verbs.h:3967 [inline]
 ib_mad_post_receive_mads+0x381/0xcd0 drivers/infiniband/core/mad.c:2715
 ib_mad_port_start drivers/infiniband/core/mad.c:2862 [inline]
 ib_mad_port_open drivers/infiniband/core/mad.c:3016 [inline]
 ib_mad_init_device+0x191a/0x2c70 drivers/infiniband/core/mad.c:3092
 add_client_context+0x473/0x7c0 drivers/infiniband/core/device.c:680
 enable_device_and_get+0x15b/0x370 drivers/infiniband/core/device.c:1301
 ib_register_device+0xfd5/0x1300 drivers/infiniband/core/device.c:1376
 rxe_register_device+0x34a/0x480 drivers/infiniband/sw/rxe/rxe_verbs.c:1182
 rxe_net_add+0x73/0xd0 drivers/infiniband/sw/rxe/rxe_net.c:507
 rxe_newlink+0x65/0x100 drivers/infiniband/sw/rxe/rxe.c:269
 nldev_newlink+0x425/0x4a0 drivers/infiniband/core/nldev.c:1555
 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+0x64b/0x970 drivers/infiniband/core/netlink.c:259
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x780/0x930 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x9a8/0xd40 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg net/socket.c:671 [inline]
 kernel_sendmsg+0xe2/0x120 net/socket.c:691
 sock_no_sendpage+0xe0/0x120 net/core/sock.c:2833
 kernel_sendpage+0x2ca/0x370 net/socket.c:3646
 sock_sendpage+0x7e/0xb0 net/socket.c:944
 pipe_to_sendpage+0x208/0x2d0 fs/splice.c:364
 splice_from_pipe_feed fs/splice.c:418 [inline]
 __splice_from_pipe+0x351/0x8b0 fs/splice.c:562
 splice_from_pipe fs/splice.c:597 [inline]
 generic_splice_sendpage+0x112/0x180 fs/splice.c:743
 do_splice_from fs/splice.c:764 [inline]
 direct_splice_actor+0xe6/0x1c0 fs/splice.c:933
 splice_direct_to_actor+0x4b1/0xc10 fs/splice.c:888
 do_splice_direct+0x201/0x340 fs/splice.c:976
 do_sendfile+0x86d/0x1210 fs/read_write.c:1257
 __do_sys_sendfile64 fs/read_write.c:1318 [inline]
 __se_sys_sendfile64+0xf0/0x130 fs/read_write.c:1304
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45deb9
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f1dfca78c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000027f40 RCX: 000000000045deb9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000005
RBP: 000000000118bf68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000080000e00 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffd288c681f R14: 00007f1dfca799c0 R15: 000000000118bf2c