general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 PID: 5420 Comm: syz-executor.0 Not tainted 6.4.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023
RIP: 0010:pipe_buf_release include/linux/pipe_fs_i.h:203 [inline]
RIP: 0010:splice_to_socket+0x844/0xd70 fs/splice.c:933
Code: 10 48 89 f8 48 c1 e8 03 42 80 3c 30 00 0f 85 0f 04 00 00 48 8b 46 10 48 c7 46 10 00 00 00 00 48 8d 78 08 48 89 fa 48 c1 ea 03 <42> 80 3c 32 00 0f 85 61 04 00 00 4c 89 ef 41 83 c4 01 ff 50 08 48
RSP: 0018:ffffc900045afa40 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffffed10055a3aaf RCX: ffffffff81cdf42d
RDX: 0000000000000001 RSI: ffff8880223ec828 RDI: 0000000000000008
RBP: 0000000000008001 R08: 0000000000000001 R09: ffff8880223ec830
R10: fffff940000ff186 R11: 0000000000000001 R12: 0000000000000001
R13: ffff88802ad1d400 R14: dffffc0000000000 R15: 000000000000000f
FS:  00007fbced1db700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbced1ba718 CR3: 000000001d889000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_splice_from fs/splice.c:969 [inline]
 do_splice+0x9e1/0x1f00 fs/splice.c:1278
 __do_splice+0x117/0x1f0 fs/splice.c:1356
 __do_sys_splice fs/splice.c:1567 [inline]
 __se_sys_splice fs/splice.c:1549 [inline]
 __x64_sys_splice+0x14e/0x200 fs/splice.c:1549
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbcec48c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fbced1db168 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
RAX: ffffffffffffffda RBX: 00007fbcec5abf80 RCX: 00007fbcec48c169
RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007fbcec4e7ca1 R08: 0000000002000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcc18ad2cf R14: 00007fbced1db300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:pipe_buf_release include/linux/pipe_fs_i.h:203 [inline]
RIP: 0010:splice_to_socket+0x844/0xd70 fs/splice.c:933
Code: 10 48 89 f8 48 c1 e8 03 42 80 3c 30 00 0f 85 0f 04 00 00 48 8b 46 10 48 c7 46 10 00 00 00 00 48 8d 78 08 48 89 fa 48 c1 ea 03 <42> 80 3c 32 00 0f 85 61 04 00 00 4c 89 ef 41 83 c4 01 ff 50 08 48
RSP: 0018:ffffc900045afa40 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffffed10055a3aaf RCX: ffffffff81cdf42d
RDX: 0000000000000001 RSI: ffff8880223ec828 RDI: 0000000000000008
RBP: 0000000000008001 R08: 0000000000000001 R09: ffff8880223ec830
R10: fffff940000ff186 R11: 0000000000000001 R12: 0000000000000001
R13: ffff88802ad1d400 R14: dffffc0000000000 R15: 000000000000000f
FS:  00007fbced1db700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005651269c6950 CR3: 000000001d889000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	10 48 89             	adc    %cl,-0x77(%rax)
   3:	f8                   	clc
   4:	48 c1 e8 03          	shr    $0x3,%rax
   8:	42 80 3c 30 00       	cmpb   $0x0,(%rax,%r14,1)
   d:	0f 85 0f 04 00 00    	jne    0x422
  13:	48 8b 46 10          	mov    0x10(%rsi),%rax
  17:	48 c7 46 10 00 00 00 	movq   $0x0,0x10(%rsi)
  1e:	00
  1f:	48 8d 78 08          	lea    0x8(%rax),%rdi
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	42 80 3c 32 00       	cmpb   $0x0,(%rdx,%r14,1) <-- trapping instruction
  2f:	0f 85 61 04 00 00    	jne    0x496
  35:	4c 89 ef             	mov    %r13,%rdi
  38:	41 83 c4 01          	add    $0x1,%r12d
  3c:	ff 50 08             	callq  *0x8(%rax)
  3f:	48                   	rex.W