dummy0 speed is unknown, defaulting to 1000
dummy0 speed is unknown, defaulting to 1000
infiniband syz0: set down
infiniband syz0: added dummy0
general protection fault, probably for non-canonical address 0xdffffc000000008e: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000470-0x0000000000000477]
CPU: 1 PID: 7018 Comm: syz-executor152 Not tainted 5.7.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:dev_to_node include/linux/device.h:660 [inline]
RIP: 0010:rds_ib_add_one+0x81/0xd70 net/rds/ib.c:140
Code: f0 06 00 00 48 89 e8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 ef e8 9f 1e 23 fa bb 70 04 00 00 48 03 5d 00 48 89 d8 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 25 0a 00 00 8b 1b 48 c7 c0 e8 23 0b 89 48
RSP: 0018:ffffc900033473e0 EFLAGS: 00010206
RAX: 000000000000008e RBX: 0000000000000470 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff8880920ac6f0 R08: ffffffff878e51aa R09: ffffed101241589f
R10: ffffed101241589f R11: 0000000000000000 R12: ffff8880920ac000
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffffffff12c3e57
FS:  0000000002400880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa0d902d710 CR3: 0000000097d08000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 add_client_context+0x469/0x660 drivers/infiniband/core/device.c:681
 enable_device_and_get+0x15b/0x370 drivers/infiniband/core/device.c:1318
 ib_register_device+0x125d/0x15c0 drivers/infiniband/core/device.c:1384
 rxe_register_device+0x3e7/0x510 drivers/infiniband/sw/rxe/rxe_verbs.c:1231
 rxe_net_add+0x73/0xd0 drivers/infiniband/sw/rxe/rxe_net.c:539
 rxe_newlink+0x2e/0x90 drivers/infiniband/sw/rxe/rxe.c:320
 nldev_newlink+0x425/0x4a0 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+0x66a/0x990 drivers/infiniband/core/netlink.c:259
 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
 netlink_unicast+0x786/0x940 net/netlink/af_netlink.c:1329
 netlink_sendmsg+0xa57/0xd70 net/netlink/af_netlink.c:1918
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg net/socket.c:672 [inline]
 ____sys_sendmsg+0x4f9/0x7c0 net/socket.c:2362
 ___sys_sendmsg net/socket.c:2416 [inline]
 __sys_sendmsg+0x2a6/0x360 net/socket.c:2449
 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x440349
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffe4265c428 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440349
RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000003
RBP: 00000000006ca018 R08: 0000000000000014 R09: 00000000004002c8
R10: 0000000000000041 R11: 0000000000000246 R12: 0000000000401bd0
R13: 0000000000401c60 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 8c243069b00a3765 ]---
RIP: 0010:dev_to_node include/linux/device.h:660 [inline]
RIP: 0010:rds_ib_add_one+0x81/0xd70 net/rds/ib.c:140
Code: f0 06 00 00 48 89 e8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 ef e8 9f 1e 23 fa bb 70 04 00 00 48 03 5d 00 48 89 d8 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 25 0a 00 00 8b 1b 48 c7 c0 e8 23 0b 89 48
RSP: 0018:ffffc900033473e0 EFLAGS: 00010206
RAX: 000000000000008e RBX: 0000000000000470 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff8880920ac6f0 R08: ffffffff878e51aa R09: ffffed101241589f
R10: ffffed101241589f R11: 0000000000000000 R12: ffff8880920ac000
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffffffff12c3e57
FS:  0000000002400880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f8949ccc5f CR3: 0000000097d08000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400