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
CPU: 1 PID: 20674 Comm: syz-executor0 Not tainted 4.18.0-rc8+ #183
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:process_init_reply+0x536/0x1500 fs/fuse/inode.c:933
Code: 0f 85 fc 0e 00 00 4c 8b b3 68 02 00 00 e8 22 20 11 ff 49 8d be 30 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ba 0d 00 00 4d 8b b6 30 01 00 00 48 b8 00 00 00 
netlink: 'syz-executor3': attribute type 9 has an invalid length.
RSP: 0018:ffff88018dc17330 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8801c84cd6c0 RCX: ffffc9000202d000
RDX: 0000000000000026 RSI: ffffffff826af82e RDI: 0000000000000130
RBP: ffff88018dc17368 R08: ffff880196cce600 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801cbeb2600
R13: ffff8801c84cd8a9 R14: 0000000000000000 R15: ffff8801c84cd8a5
netlink: 'syz-executor3': attribute type 2 has an invalid length.
FS:  00007fb5fcba0700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4cf9cf7000 CR3: 0000000195257000 CR4: 00000000001426e0
netlink: 'syz-executor3': attribute type 9 has an invalid length.
Call Trace:
 request_end+0x3de/0xb20 fs/fuse/dev.c:402
netlink: 'syz-executor3': attribute type 2 has an invalid length.
 fuse_dev_do_write+0x194a/0x3700 fs/fuse/dev.c:1904
 fuse_dev_write+0x19a/0x240 fs/fuse/dev.c:1928
 call_write_iter include/linux/fs.h:1793 [inline]
 new_sync_write fs/read_write.c:474 [inline]
 __vfs_write+0x6c6/0x9f0 fs/read_write.c:487
 vfs_write+0x1f8/0x560 fs/read_write.c:549
 ksys_write+0x101/0x260 fs/read_write.c:598
 __do_sys_write fs/read_write.c:610 [inline]
 __se_sys_write fs/read_write.c:607 [inline]
 __x64_sys_write+0x73/0xb0 fs/read_write.c:607
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457089
Code: fd b4 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 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
RSP: 002b:00007fb5fcb9fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fb5fcba06d4 RCX: 0000000000457089
RDX: 0000000000000050 RSI: 0000000020000100 RDI: 0000000000000004
RBP: 0000000000930140 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004d6a08 R14: 00000000004ca014 R15: 0000000000000001
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace 3e590d0ea7364693 ]---
RIP: 0010:process_init_reply+0x536/0x1500 fs/fuse/inode.c:933
Code: 0f 85 fc 0e 00 00 4c 8b b3 68 02 00 00 e8 22 20 11 ff 49 8d be 30 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 ba 0d 00 00 4d 8b b6 30 01 00 00 48 b8 00 00 00 
RSP: 0018:ffff88018dc17330 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8801c84cd6c0 RCX: ffffc9000202d000
RDX: 0000000000000026 RSI: ffffffff826af82e RDI: 0000000000000130
RBP: ffff88018dc17368 R08: ffff880196cce600 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801cbeb2600
R13: ffff8801c84cd8a9 R14: 0000000000000000 R15: ffff8801c84cd8a5
FS:  00007fb5fcba0700(0000) GS:ffff8801db100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4cf9cf7000 CR3: 0000000195257000 CR4: 00000000001426e0