kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 8648 Comm: syz-executor.0 Not tainted 5.0.0+ #14
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rds_recv_rcvbuf_delta.part.0+0x14a/0x3f0 net/rds/recv.c:103
Code: c1 ea 03 80 3c 02 00 0f 85 6e 02 00 00 4c 8b a3 c0 04 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 2c 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 00
RSP: 0018:ffff88804f4677e0 EFLAGS: 00010007
RAX: dffffc0000000000 RBX: ffff8880930891c0 RCX: ffffc90005dfb000
RDX: 0000000000000005 RSI: ffffffff8689012b RDI: 000000000000002c
RBP: ffff88804f467818 R08: ffff888097b140c0 R09: ffffed1009e8cef2
R10: ffffed1009e8cef1 R11: 0000000000000003 R12: 0000000000000000
R13: ffff8880930896e4 R14: 000000000002e400 R15: ffff88809b2fee00
FS:  00007fa87c99b700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000206dbffc CR3: 000000008e4aa000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 rds_recv_rcvbuf_delta net/rds/recv.c:379 [inline]
 rds_recv_incoming+0x789/0x11f0 net/rds/recv.c:379
 rds_loop_xmit+0xf3/0x2a0 net/rds/loop.c:96
 rds_send_xmit+0x1113/0x2560 net/rds/send.c:355
 rds_sendmsg+0x3017/0x3550 net/rds/send.c:1369
 sock_sendmsg_nosec net/socket.c:622 [inline]
 sock_sendmsg+0xdd/0x130 net/socket.c:632
 __sys_sendto+0x262/0x380 net/socket.c:1809
 __do_sys_sendto net/socket.c:1821 [inline]
 __se_sys_sendto net/socket.c:1817 [inline]
 __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1817
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457f29
Code: ad b8 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 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fa87c99ac78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000457f29
RDX: 0000000000000346 RSI: 0000000020000a00 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 000000002069affb R09: 0000000000000010
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa87c99b6d4
R13: 00000000004c5651 R14: 00000000004d9588 R15: 00000000ffffffff
Modules linked in:
---[ end trace c150a2ec7b13a00c ]---
RIP: 0010:rds_recv_rcvbuf_delta.part.0+0x14a/0x3f0 net/rds/recv.c:103
Code: c1 ea 03 80 3c 02 00 0f 85 6e 02 00 00 4c 8b a3 c0 04 00 00 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 2c 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 00
RSP: 0018:ffff88804f4677e0 EFLAGS: 00010007
RAX: dffffc0000000000 RBX: ffff8880930891c0 RCX: ffffc90005dfb000
RDX: 0000000000000005 RSI: ffffffff8689012b RDI: 000000000000002c
RBP: ffff88804f467818 R08: ffff888097b140c0 R09: ffffed1009e8cef2
R10: ffffed1009e8cef1 R11: 0000000000000003 R12: 0000000000000000
R13: ffff8880930896e4 R14: 000000000002e400 R15: ffff88809b2fee00
FS:  00007fa87c99b700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000206dbffc CR3: 000000008e4aa000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400