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: 31662 Comm: syz-executor7 Not tainted 4.18.0-rc7+ #74
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 
RSP: 0018:ffff88019de4f2e0 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88019cca2d80 RCX: ffffc90003c43000
RDX: 0000000000000026 RSI: ffffffff826af77e RDI: 0000000000000130
RBP: ffff88019de4f318 R08: ffff8801a12e4240 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b05c00
R13: ffff88019cca2f69 R14: 0000000000000000 R15: ffff88019cca2f65
FS:  0000000000000000(0000) GS:ffff8801db100000(0063) knlGS:00000000f5ef1b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000033721000 CR3: 00000001d5209000 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]
 __ia32_sys_write+0x71/0xb0 fs/read_write.c:607
 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline]
 do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f16cb9
Code: 55 08 8b 88 64 cd ff ff 8b 98 68 cd ff ff 89 c8 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 1c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 
RSP: 002b:00000000f5ef10cc EFLAGS: 00000296 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000014 RCX: 0000000020000100
RDX: 0000000000000050 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace 6c12d0ead82a409d ]---
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:ffff88019de4f2e0 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88019cca2d80 RCX: ffffc90003c43000
RDX: 0000000000000026 RSI: ffffffff826af77e RDI: 0000000000000130
RBP: ffff88019de4f318 R08: ffff8801a12e4240 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801d9b05c00
R13: ffff88019cca2f69 R14: 0000000000000000 R15: ffff88019cca2f65
FS:  0000000000000000(0000) GS:ffff8801db100000(0063) knlGS:00000000f5ef1b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000033721000 CR3: 00000001d5209000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400