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
Dumping ftrace buffer:
   (ftrace buffer empty)
binder: 9847:9852 transaction failed 29189/-22, size 32-8 line 2845
Modules linked in:
CPU: 0 PID: 9849 Comm: syz-executor6 Not tainted 4.15.0-rc6-next-20180103+ #87
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__read_once_size include/linux/compiler.h:188 [inline]
RIP: 0010:compound_head include/linux/page-flags.h:147 [inline]
RIP: 0010:page_mapping+0x28/0x2d0 mm/util.c:475
RSP: 0018:ffff8801a7aa77c0 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff817b95f7
RDX: 0000000000000004 RSI: ffffc90004836000 RDI: 0000000000000000
RBP: ffff8801a7aa77e0 R08: ffffed003a921baa R09: ffff8801d490dd30
R10: ffff8801d871e018 R11: ffffed003a921ba9 R12: 0000000000000020
R13: 0000000000000020 R14: 1ffff10034f54f25 R15: ffff8801d490db00
FS:  00007f919f0d3700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000201c5000 CR3: 00000001be347003 CR4: 00000000001606f0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 set_page_dirty+0x21/0x2d0 mm/page-writeback.c:2544
 rds_atomic_free_op+0x60/0x1e0 net/rds/rdma.c:481
 rds_message_purge net/rds/message.c:79 [inline]
 rds_message_put+0x343/0x420 net/rds/message.c:91
 rds_sendmsg+0x1248/0x1e80 net/rds/send.c:1207
 sock_sendmsg_nosec net/socket.c:628 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:638
 ___sys_sendmsg+0x2f4/0x8c0 net/socket.c:2018
 __sys_sendmmsg+0x159/0x3c0 net/socket.c:2108
 SYSC_sendmmsg net/socket.c:2139 [inline]
 SyS_sendmmsg+0x35/0x60 net/socket.c:2134
 entry_SYSCALL_64_fastpath+0x23/0x9a
RIP: 0033:0x452ac9
RSP: 002b:00007f919f0d2c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f919f0d3700 RCX: 0000000000452ac9
RDX: 0000000000000001 RSI: 0000000020573000 RDI: 0000000000000013
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000
R13: 0000000000a2f7ef R14: 00007f919f0d39c0 R15: 0000000000000000
Code: eb c7 90 55 48 89 e5 41 56 41 55 41 54 53 48 89 fb 4c 8d 63 20 e8 09 79 e2 ff 4c 89 e2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 66 02 00 00 4c 8b 6b 20 41 f6 c5 01 0f 85 d4 
RIP: __read_once_size include/linux/compiler.h:188 [inline] RSP: ffff8801a7aa77c0
RIP: compound_head include/linux/page-flags.h:147 [inline] RSP: ffff8801a7aa77c0
RIP: page_mapping+0x28/0x2d0 mm/util.c:475 RSP: ffff8801a7aa77c0
---[ end trace c5be2fd682a66c5c ]---
Kernel panic - not syncing: Fatal exception
binder: undelivered TRANSACTION_ERROR: 29189
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..