kasan: CONFIG_KASAN_INLINE enabled
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
kasan: GPF could be caused by NULL-ptr deref or user memory access
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 4436 Comm: syzkaller522865 Not tainted 4.16.0-rc4+ #347
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kernel_sock_shutdown+0x29/0x70 net/socket.c:3250
RSP: 0018:ffff8801afe8fcc8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fd6f4
RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028
RBP: ffff8801afe8fce0 R08: 0000000000000000 R09: 1ffff10035fd1f15
R10: ffff8801afe8f870 R11: 0000000000000001 R12: ffff8801d2666012
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801afe8fd58
FS:  00007fdaa8838700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000016c5df0 CR3: 00000001b0ac3001 CR4: 00000000001606f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 smc_shutdown+0x3ed/0x540 net/smc/af_smc.c:1268
 SYSC_shutdown net/socket.c:1901 [inline]
 SyS_shutdown+0x137/0x290 net/socket.c:1892
 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x446c29
RSP: 002b:00007fdaa8837cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000030
RAX: ffffffffffffffda RBX: 00000000006ddcfc RCX: 0000000000446c29
RDX: 0000000000446c29 RSI: 0000000000000000 RDI: 0000000000000036
RBP: 00000000006ddcf8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda1b11f2f R14: 00007fdaa88389c0 R15: 0000000000000003
Code: 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 41 89 f5 e8 5c 2f 11 fd 48 8d 7b 28 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 32 4c 8b 63 28 48 b8 00 00 00 00 00 fc ff df 49 
RIP: kernel_sock_shutdown+0x29/0x70 net/socket.c:3250 RSP: ffff8801afe8fcc8
general protection fault: 0000 [#2] SMP KASAN
---[ end trace 30d07a4e9b353f24 ]---
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel panic - not syncing: Fatal exception
Modules linked in:
CPU: 1 PID: 4442 Comm: syzkaller522865 Tainted: G      D          4.16.0-rc4+ #347
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kernel_sock_shutdown+0x29/0x70 net/socket.c:3250
RSP: 0018:ffff8801afa27cc8 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff845fd6f4
RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000028
RBP: ffff8801afa27ce0 R08: 0000000000000000 R09: 1ffff10035f44f15
R10: ffff8801afa27870 R11: 0000000000000001 R12: ffff8801b53887d2
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8801afa27d58
FS:  00007fdaa87f6700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff1caf6b000 CR3: 00000001b0ac3003 CR4: 00000000001606e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 smc_shutdown+0x3ed/0x540 net/smc/af_smc.c:1268
 SYSC_shutdown net/socket.c:1901 [inline]
 SyS_shutdown+0x137/0x290 net/socket.c:1892
 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x446c29
RSP: 002b:00007fdaa87f5cf8 EFLAGS: 00000246 ORIG_RAX: 0000000000000030
RAX: ffffffffffffffda RBX: 00000000006ddd2c RCX: 0000000000446c29
RDX: 0000000000446c29 RSI: 0000000000000000 RDI: 0000000000000043
RBP: 00000000006ddd28 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda1b11f2f R14: 00007fdaa87f69c0 R15: 0000000000000003
Code: 66 90 55 48 89 e5 41 55 41 54 53 48 89 fb 41 89 f5 e8 5c 2f 11 fd 48 8d 7b 28 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 32 4c 8b 63 28 48 b8 00 00 00 00 00 fc ff df 49 
RIP: kernel_sock_shutdown+0x29/0x70 net/socket.c:3250 RSP: ffff8801afa27cc8
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..