netlink: 9 bytes leftover after parsing attributes in process `syz-executor1'. QAT: Invalid ioctl QAT: Invalid ioctl BUG: spinlock bad magic on CPU#1, syz-executor3/15866 lock: 0xffff8802156c5c30, .magic: 00000000, .owner: /-1, .owner_cpu: 0 CPU: 1 PID: 15866 Comm: syz-executor3 Not tainted 4.15.0-rc3-next-20171214+ #67 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xe9/0x14b lib/dump_stack.c:53 spin_dump+0x73/0xd0 kernel/locking/spinlock_debug.c:67 spin_bug kernel/locking/spinlock_debug.c:75 [inline] debug_spin_lock_before kernel/locking/spinlock_debug.c:83 [inline] do_raw_spin_lock+0x6d/0xc0 kernel/locking/spinlock_debug.c:112 __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_lock+0x32/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:310 [inline] rds_send_queue_rm+0x156/0x1e4 net/rds/send.c:850 rds_sendmsg+0x689/0xcb0 net/rds/send.c:1158 sock_sendmsg_nosec net/socket.c:636 [inline] sock_sendmsg+0x51/0x70 net/socket.c:646 ___sys_sendmsg+0x35e/0x3b0 net/socket.c:2026 __sys_sendmsg+0x50/0x90 net/socket.c:2060 SYSC_sendmsg net/socket.c:2071 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2067 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a39 RSP: 002b:00007f1efd185c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39 RDX: 0000000000000000 RSI: 0000000020159fc8 RDI: 0000000000000017 RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ee3a0 R13: 00000000ffffffff R14: 00007f1efd1866d4 R15: 0000000000000000 BUG: unable to handle kernel NULL pointer dereference at 0000000000000028 IP: rds_send_xmit+0x80/0x930 net/rds/send.c:186 PGD 1da7eb067 P4D 1da7eb067 PUD 1d9f6b067 PMD 0 Oops: 0000 [#1] SMP Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 15866 Comm: syz-executor3 Not tainted 4.15.0-rc3-next-20171214+ #67 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:rds_send_xmit+0x80/0x930 net/rds/send.c:186 RSP: 0018:ffffc90000ecfbc8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffffffff83184bc0 RCX: ffffffff8241b25c RDX: 0000000000010000 RSI: ffffc90005854000 RDI: ffff8802156c5c00 RBP: ffffc90000ecfc30 R08: ffff88021fd1bd00 R09: ffffe8ffffd0f6f0 R10: ffffc90000ecfac0 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8802156c5c00 R14: ffff88021203ecc0 R15: ffff8802156c5c00 FS: 00007f1efd186700(0000) GS:ffff88021fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fffdb56bfc0 CR3: 00000001da25d000 CR4: 00000000001426f0 Call Trace: rds_sendmsg+0xb22/0xcb0 net/rds/send.c:1189 sock_sendmsg_nosec net/socket.c:636 [inline] sock_sendmsg+0x51/0x70 net/socket.c:646 ___sys_sendmsg+0x35e/0x3b0 net/socket.c:2026 __sys_sendmsg+0x50/0x90 net/socket.c:2060 SYSC_sendmsg net/socket.c:2071 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2067 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a39 RSP: 002b:00007f1efd185c58 EFLAGS: 00000212 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39 RDX: 0000000000000000 RSI: 0000000020159fc8 RDI: 0000000000000017 RBP: 0000000000000020 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ee3a0 R13: 00000000ffffffff R14: 00007f1efd1866d4 R15: 0000000000000000 Code: 00 00 00 48 83 c0 01 48 89 45 a0 49 89 85 a8 00 00 00 41 8b 85 a0 00 00 00 83 f8 03 0f 85 4f 08 00 00 e8 e4 f0 e9 fe 48 8b 45 b8 <48> 8b 40 28 48 8b 58 58 48 85 db 74 0a e8 ce f0 e9 fe 4c 89 ef RIP: rds_send_xmit+0x80/0x930 net/rds/send.c:186 RSP: ffffc90000ecfbc8 CR2: 0000000000000028 ---[ end trace 5bd8beb2036e5145 ]---