Oops: general protection fault, probably for non-canonical address 0xfbd5a5d5a0000003: 0000 [#1] SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0xdead4ead00000018-0xdead4ead0000001f]
CPU: 1 UID: 0 PID: 15995 Comm: syz.3.1882 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:smc_diag_msg_common_fill net/smc/smc_diag.c:44 [inline]
RIP: 0010:__smc_diag_dump.constprop.0+0x3ca/0x2550 net/smc/smc_diag.c:89
Code: 4c 8b b3 40 06 00 00 4d 85 f6 0f 84 f6 02 00 00 e8 9b 21 7b f6 49 8d 7e 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 f6 1e 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b
RSP: 0018:ffffc9002753f198 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffff88806b250000 RCX: ffffc90027c32000
RDX: 1bd5a9d5a0000003 RSI: ffffffff8b3fe9d5 RDI: dead4ead00000018
RBP: ffff88805bd18000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000001 R11: 0000000000000000 R12: ffff8880129215f0
R13: ffff8880132adcc0 R14: dead4ead00000000 R15: ffff88806b250640
FS:  0000000000000000(0000) GS:ffff8880975bd000(0063) knlGS:00000000f5079b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000032c07ff8 CR3: 0000000027bca000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 smc_diag_dump_proto+0x26d/0x420 net/smc/smc_diag.c:217
 smc_diag_dump+0x84/0x90 net/smc/smc_diag.c:236
 netlink_dump+0x539/0xd30 net/netlink/af_netlink.c:2327
 __netlink_dump_start+0x6d6/0x990 net/netlink/af_netlink.c:2442
 netlink_dump_start include/linux/netlink.h:341 [inline]
 smc_diag_handler_dump+0x1f9/0x240 net/smc/smc_diag.c:251
 __sock_diag_cmd net/core/sock_diag.c:249 [inline]
 sock_diag_rcv_msg+0x435/0x790 net/core/sock_diag.c:285
 netlink_rcv_skb+0x158/0x420 net/netlink/af_netlink.c:2552
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x5a7/0x870 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x8d1/0xdd0 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:714 [inline]
 __sock_sendmsg net/socket.c:729 [inline]
 ____sys_sendmsg+0xa95/0xc70 net/socket.c:2614
 ___sys_sendmsg+0x134/0x1d0 net/socket.c:2668
 __sys_sendmsg+0x16d/0x220 net/socket.c:2700
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0x7c/0x3a0 arch/x86/entry/syscall_32.c:306
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/syscall_32.c:331
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf70ee579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f507955c EFLAGS: 00000296 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 0000000080000540
RDX: 0000000000000600 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:smc_diag_msg_common_fill net/smc/smc_diag.c:44 [inline]
RIP: 0010:__smc_diag_dump.constprop.0+0x3ca/0x2550 net/smc/smc_diag.c:89
Code: 4c 8b b3 40 06 00 00 4d 85 f6 0f 84 f6 02 00 00 e8 9b 21 7b f6 49 8d 7e 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 f6 1e 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b
RSP: 0018:ffffc9002753f198 EFLAGS: 00010a06
RAX: dffffc0000000000 RBX: ffff88806b250000 RCX: ffffc90027c32000
RDX: 1bd5a9d5a0000003 RSI: ffffffff8b3fe9d5 RDI: dead4ead00000018
RBP: ffff88805bd18000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000001 R11: 0000000000000000 R12: ffff8880129215f0
R13: ffff8880132adcc0 R14: dead4ead00000000 R15: ffff88806b250640
FS:  0000000000000000(0000) GS:ffff8880975bd000(0063) knlGS:00000000f5079b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000032c07ff8 CR3: 0000000027bca000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	4c 8b b3 40 06 00 00 	mov    0x640(%rbx),%r14
   7:	4d 85 f6             	test   %r14,%r14
   a:	0f 84 f6 02 00 00    	je     0x306
  10:	e8 9b 21 7b f6       	call   0xf67b21b0
  15:	49 8d 7e 18          	lea    0x18(%r14),%rdi
  19:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  20:	fc ff df
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 f6 1e 00 00    	jne    0x1f2a
  34:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  3b:	fc ff df
  3e:	4d                   	rex.WRB
  3f:	8b                   	.byte 0x8b