BUG: unable to handle page fault for address: ffffed105bf829ff
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 23fff7067 P4D 23fff7067 PUD 23fff5067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 366 Comm: syz-executor858 Not tainted 5.4.83-syzkaller-00110-g30fc30201c19 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:fuse_dev_do_write+0x547f/0x74b0 fs/fuse/dev.c:1913
Code: 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 8a 04 20 84 c0 0f 85 e5 1c 00 00 8b 1b ff cb 4c 01 f3 48 89 d8 48 c1 e8 03 <42> 8a 04 20 84 c0 0f 85 e8 1c 00 00 c6 03 00 48 8b 84 24 88 00 00
RSP: 0018:ffff8881e92e77e0 EFLAGS: 00010a07
RAX: 1ffff1105bf829ff RBX: ffff8882dfc14fff RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 00000000000007e0 RDI: ffff8881e935fd50
RBP: ffff8881e92e7b30 R08: ffffffff81dc5f03 R09: fffff94000f5f817
R13: 0000000000000010 R14: ffff8881dfc15000 R15: ffff8881ec5d5f0c
FS:  00007fe2da069700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed105bf829ff CR3: 00000001dfd72000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 fuse_dev_write+0x16e/0x1f0 fs/fuse/dev.c:1950
 call_write_iter include/linux/fs.h:1962 [inline]
 new_sync_write fs/read_write.c:483 [inline]
 __vfs_write+0x59c/0x720 fs/read_write.c:496
 vfs_write+0x217/0x4f0 fs/read_write.c:558
 ksys_write+0x186/0x2b0 fs/read_write.c:611
 do_syscall_64+0xcb/0x150 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x445f29
Code: e8 fc b8 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0b 12 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fe2da068d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00000000006ddc48 RCX: 0000000000445f29
RDX: 0000000000000010 RSI: 00000000200022c0 RDI: 0000000000000003
RBP: 00000000006ddc40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006ddc4c
R13: 0000000020000000 R14: 00000000004ae560 R15: 0000000000000003
Modules linked in:
CR2: ffffed105bf829ff
---[ end trace e8297fc1c765ae6b ]---
RIP: 0010:fuse_dev_do_write+0x547f/0x74b0 fs/fuse/dev.c:1913
Code: 89 d8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 8a 04 20 84 c0 0f 85 e5 1c 00 00 8b 1b ff cb 4c 01 f3 48 89 d8 48 c1 e8 03 <42> 8a 04 20 84 c0 0f 85 e8 1c 00 00 c6 03 00 48 8b 84 24 88 00 00
RSP: 0018:ffff8881e92e77e0 EFLAGS: 00010a07
RAX: 1ffff1105bf829ff RBX: ffff8882dfc14fff RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 00000000000007e0 RDI: ffff8881e935fd50
RBP: ffff8881e92e7b30 R08: ffffffff81dc5f03 R09: fffff94000f5f817
R10: fffff94000f5f817 R11: 0000000000000000 R12: dffffc0000000000
R13: 0000000000000010 R14: ffff8881dfc15000 R15: ffff8881ec5d5f0c
FS:  00007fe2da069700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed105bf829ff CR3: 00000001dfd72000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400