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: 10354 Comm: syz-executor1 Not tainted 4.18.0-rc6+ #160
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:process_init_reply+0xe1b/0x1500 fs/fuse/inode.c:918
Code: 23 11 ff 8b 45 cc 3d ff c9 9a 3b 77 3e e8 9d 22 11 ff 49 8d be 90 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 19 06 00 00 8b 45 c8 41 89 86 
RSP: 0018:ffff88018fbf7330 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8801b53d36c0 RCX: ffffc90004236000
RDX: 00000000000000d2 RSI: ffffffff826af533 RDI: 0000000000000690
RBP: ffff88018fbf7368 R08: ffff8801ad574580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801bcdf3c00
R13: ffff8801b53d38a9 R14: 0000000000000000 R15: ffff8801b53d38a5
FS:  00007f72f3e9f700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7334aa2000 CR3: 00000001d674f000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 request_end+0x3de/0xb20 fs/fuse/dev.c:402
 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: 0033:0x455ab9
Code: 1d ba 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 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 
RSP: 002b:00007f72f3e9ec68 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f72f3e9f6d4 RCX: 0000000000455ab9
RDX: 0000000000000050 RSI: 0000000020000180 RDI: 0000000000000018
RBP: 000000000072bf50 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000004c27df R14: 00000000004d4548 R15: 0000000000000001
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace 4bef6f62034d3a86 ]---
RIP: 0010:process_init_reply+0xe1b/0x1500 fs/fuse/inode.c:918
Code: 23 11 ff 8b 45 cc 3d ff c9 9a 3b 77 3e e8 9d 22 11 ff 49 8d be 90 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 19 06 00 00 8b 45 c8 41 89 86 
RSP: 0018:ffff88018fbf7330 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: ffff8801b53d36c0 RCX: ffffc90004236000
RDX: 00000000000000d2 RSI: ffffffff826af533 RDI: 0000000000000690
RBP: ffff88018fbf7368 R08: ffff8801ad574580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801bcdf3c00
R13: ffff8801b53d38a9 R14: 0000000000000000 R15: ffff8801b53d38a5
FS:  00007f72f3e9f700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7334aa2000 CR3: 00000001d674f000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400