BUG: unable to handle page fault for address: ffffffffffffff84
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD b68f067 P4D b68f067 PUD b691067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 19026 Comm: syz-executor.1 Not tainted 5.10.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:smc_set_pci_values net/smc/smc_core.h:396 [inline]
RIP: 0010:smc_nl_handle_smcr_dev+0x51b/0x12b0 net/smc/smc_ib.c:422
Code: 00 00 00 fc ff df 48 8d 7b 84 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 e9 0c 00 00 <0f> b7 43 84 48 8d 7b 86 48 89 fa 48 c1 ea 03 66 89 84 24 ee 00 00
RSP: 0018:ffffc90001edf230 EFLAGS: 00010246
RAX: 0000000000000005 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffffffff84
RBP: ffffffff8dea4b20 R08: 0000000000000001 R09: ffffc90001edf318
R10: fffff520003dbe66 R11: 00000000001c26ec R12: 000000001b556831
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff888026524014
FS:  00007f9ef87fb700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffff84 CR3: 00000000183d8000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 smc_nl_prep_smcr_dev net/smc/smc_ib.c:469 [inline]
 smcr_nl_get_device+0xa1/0x180 net/smc/smc_ib.c:481
 genl_lock_dumpit+0x60/0x90 net/netlink/genetlink.c:623
 netlink_dump+0x4d9/0xb90 net/netlink/af_netlink.c:2268
 __netlink_dump_start+0x665/0x920 net/netlink/af_netlink.c:2373
 genl_family_rcv_msg_dumpit+0x2af/0x310 net/netlink/genetlink.c:686
 genl_family_rcv_msg net/netlink/genetlink.c:780 [inline]
 genl_rcv_msg+0x43c/0x590 net/netlink/genetlink.c:800
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
 genl_rcv+0x24/0x40 net/netlink/genetlink.c:811
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x907/0xe10 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xd3/0x130 net/socket.c:672
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2336
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2390
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2423
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45e229
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:00007f9ef87fac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045e229
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000003
RBP: 000000000119bfc0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000119bf8c
R13: 00007ffedd9575bf R14: 00007f9ef87fb9c0 R15: 000000000119bf8c
Modules linked in:
CR2: ffffffffffffff84
---[ end trace 7a84cf500f219013 ]---
RIP: 0010:smc_set_pci_values net/smc/smc_core.h:396 [inline]
RIP: 0010:smc_nl_handle_smcr_dev+0x51b/0x12b0 net/smc/smc_ib.c:422
Code: 00 00 00 fc ff df 48 8d 7b 84 48 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 e9 0c 00 00 <0f> b7 43 84 48 8d 7b 86 48 89 fa 48 c1 ea 03 66 89 84 24 ee 00 00
RSP: 0018:ffffc90001edf230 EFLAGS: 00010246
RAX: 0000000000000005 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffffffff84
RBP: ffffffff8dea4b20 R08: 0000000000000001 R09: ffffc90001edf318
R10: fffff520003dbe66 R11: 00000000001c26ec R12: 000000001b556831
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff888026524014
FS:  00007f9ef87fb700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffff84 CR3: 00000000183d8000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400