Oops: general protection fault, probably for non-canonical address 0xdffffc0000002c03: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: probably user-memory-access in range [0x0000000000016018-0x000000000001601f]
CPU: 0 UID: 0 PID: 6989 Comm: syz.6.4964 Not tainted 6.12.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:smc_diag_msg_common_fill net/smc/smc_diag.c:44 [inline]
RIP: 0010:__smc_diag_dump.constprop.0+0x3e2/0x2500 net/smc/smc_diag.c:89
Code: 4c 8b b3 58 05 00 00 4d 85 f6 0f 84 f6 02 00 00 e8 63 b8 d1 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 86 1c 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b
RSP: 0018:ffffc9000b45f388 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff88806daf9700 RCX: ffffffff88feb704
RDX: 0000000000002c03 RSI: ffffffff8abaed8d RDI: 0000000000016018
RBP: ffff88806b9cb5e0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000001 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880677f8000 R14: 0000000000016000 R15: 0000000000000002
FS:  00007f6bfe43b6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6bfe26576e CR3: 00000000632f0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 smc_diag_dump_proto+0x26d/0x420 net/smc/smc_diag.c:217
 smc_diag_dump+0x27/0x90 net/smc/smc_diag.c:234
 netlink_dump+0x552/0xcc0 net/netlink/af_netlink.c:2326
 netlink_recvmsg+0xa0d/0xf30 net/netlink/af_netlink.c:1983
 sock_recvmsg_nosec net/socket.c:1051 [inline]
 sock_recvmsg+0x1f6/0x250 net/socket.c:1073
 ____sys_recvmsg+0x219/0x6b0 net/socket.c:2826
 ___sys_recvmsg+0x115/0x1a0 net/socket.c:2868
 do_recvmmsg+0x2ba/0x750 net/socket.c:2962
 __sys_recvmmsg net/socket.c:3041 [inline]
 __do_sys_recvmmsg net/socket.c:3064 [inline]
 __se_sys_recvmmsg net/socket.c:3057 [inline]
 __x64_sys_recvmmsg+0x239/0x290 net/socket.c:3057
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6bfd57e719
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6bfe43b038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f6bfd735f80 RCX: 00007f6bfd57e719
RDX: 0000000000000003 RSI: 0000000020000580 RDI: 0000000000000005
RBP: 00007f6bfd5f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6bfd735f80 R15: 00007ffcb3442f18
 </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+0x3e2/0x2500 net/smc/smc_diag.c:89
Code: 4c 8b b3 58 05 00 00 4d 85 f6 0f 84 f6 02 00 00 e8 63 b8 d1 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 86 1c 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b
RSP: 0018:ffffc9000b45f388 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff88806daf9700 RCX: ffffffff88feb704
RDX: 0000000000002c03 RSI: ffffffff8abaed8d RDI: 0000000000016018
RBP: ffff88806b9cb5e0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000001 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8880677f8000 R14: 0000000000016000 R15: 0000000000000002
FS:  00007f6bfe43b6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6bfe26576e CR3: 00000000632f0000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	4c 8b b3 58 05 00 00 	mov    0x558(%rbx),%r14
   7:	4d 85 f6             	test   %r14,%r14
   a:	0f 84 f6 02 00 00    	je     0x306
  10:	e8 63 b8 d1 f6       	call   0xf6d1b878
  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 86 1c 00 00    	jne    0x1cba
  34:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  3b:	fc ff df
  3e:	4d                   	rex.WRB
  3f:	8b                   	.byte 0x8b