R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
------------[ cut here ]------------
kernel BUG at lib/iov_iter.c:626!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI
CPU: 3 UID: 0 PID: 14959 Comm: syz.1.3040 Not tainted 6.12.0-syzkaller-10681-g65ae975e97d5 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:iov_iter_revert lib/iov_iter.c:626 [inline]
RIP: 0010:iov_iter_revert+0x533/0x5a0 lib/iov_iter.c:611
Code: 89 e6 48 c7 c7 60 49 b0 8e e8 a9 da 31 00 e9 b1 fd ff ff e8 4f 70 64 fd eb 95 e8 78 70 64 fd e9 46 fb ff ff e8 fe bb 01 fd 90 <0f> 0b 48 8b 3c 24 e8 62 70 64 fd e9 97 fb ff ff 48 8b 7c 24 08 e8
RSP: 0018:ffffc9000ddaf948 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000001000 RCX: ffffffff848c4100
RDX: ffff888024ffa440 RSI: ffffffff848c4512 RDI: 0000000000000001
RBP: ffffc9000ddafd88 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000000a401e R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff88804bd67800
FS:  0000000000000000(0000) GS:ffff88802b700000(0063) knlGS:00000000f50e6b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000ffd4effc CR3: 000000004eac8000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 fuse_direct_io+0xf0e/0x2580 fs/fuse/file.c:1667
 fuse_direct_write_iter+0x64f/0x830 fs/fuse/file.c:1742
 fuse_file_write_iter+0x66e/0x8c0 fs/fuse/file.c:1787
 new_sync_write fs/read_write.c:586 [inline]
 vfs_write+0x5ae/0x1150 fs/read_write.c:679
 ksys_write+0x207/0x250 fs/read_write.c:731
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0x73/0x120 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x32/0x80 arch/x86/entry/common.c:411
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf73fe579
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000f50e657c EFLAGS: 00000292 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000000000
RDX: 000000000000ffcd RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:iov_iter_revert lib/iov_iter.c:626 [inline]
RIP: 0010:iov_iter_revert+0x533/0x5a0 lib/iov_iter.c:611
Code: 89 e6 48 c7 c7 60 49 b0 8e e8 a9 da 31 00 e9 b1 fd ff ff e8 4f 70 64 fd eb 95 e8 78 70 64 fd e9 46 fb ff ff e8 fe bb 01 fd 90 <0f> 0b 48 8b 3c 24 e8 62 70 64 fd e9 97 fb ff ff 48 8b 7c 24 08 e8
RSP: 0018:ffffc9000ddaf948 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000001000 RCX: ffffffff848c4100
RDX: ffff888024ffa440 RSI: ffffffff848c4512 RDI: 0000000000000001
RBP: ffffc9000ddafd88 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 00000000000a401e R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: ffff88804bd67800
FS:  0000000000000000(0000) GS:ffff88802b700000(0063) knlGS:00000000f50e6b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00007ffc1a709d28 CR3: 000000004eac8000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 2 bytes skipped:
   0:	10 06                	adc    %al,(%rsi)
   2:	03 74 b4 01          	add    0x1(%rsp,%rsi,4),%esi
   6:	10 07                	adc    %al,(%rdi)
   8:	03 74 b0 01          	add    0x1(%rax,%rsi,4),%esi
   c:	10 08                	adc    %cl,(%rax)
   e:	03 74 d8 01          	add    0x1(%rax,%rbx,8),%esi
  1e:	00 51 52             	add    %dl,0x52(%rcx)
  21:	55                   	push   %rbp
  22:	89 e5                	mov    %esp,%ebp
  24:	0f 34                	sysenter
  26:	cd 80                	int    $0x80
* 28:	5d                   	pop    %rbp <-- trapping instruction
  29:	5a                   	pop    %rdx
  2a:	59                   	pop    %rcx
  2b:	c3                   	ret
  2c:	90                   	nop
  2d:	90                   	nop
  2e:	90                   	nop
  2f:	90                   	nop
  30:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi
  37:	8d b4 26 00 00 00 00 	lea    0x0(%rsi,%riz,1),%esi