Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 12117 Comm: syz.2.2139 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__io_uring_show_fdinfo io_uring/fdinfo.c:103 [inline]
RIP: 0010:io_uring_show_fdinfo+0x371/0x1840 io_uring/fdinfo.c:255
Code: 0f 85 29 04 00 00 45 8b 36 44 89 f7 44 89 ee e8 15 3b 95 00 45 39 ee 76 11 e8 4b 39 95 00 45 89 fd 4c 8b 3c 24 e9 c9 03 00 00 <80> 3b 00 45 89 fd 0f 85 17 04 00 00 0f b6 2c 25 00 00 00 00 48 8b
RSP: 0018:ffffc90003f2fc90 EFLAGS: 00010293
RAX: ffffffff812b443b RBX: dffffc0000000000 RCX: 0000000000000002
RDX: ffff888025ea1e40 RSI: 0000000000000fff RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888073cc80ab R09: 1ffff1100e799015
R10: dffffc0000000000 R11: ffffed100e799016 R12: 0000000000000008
R13: 0000000000000fff R14: 0000000000000000 R15: 0000000000000000
FS:  00007f168fdf66c0(0000) GS:ffff888125de4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f168f1e7dac CR3: 000000007adbe000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 seq_show+0x5bc/0x730 fs/proc/fd.c:68
 traverse+0x1ee/0x580 fs/seq_file.c:111
 seq_lseek+0x134/0x260 fs/seq_file.c:323
 vfs_llseek fs/read_write.c:389 [inline]
 ksys_lseek fs/read_write.c:402 [inline]
 __do_sys_lseek fs/read_write.c:412 [inline]
 __se_sys_lseek fs/read_write.c:410 [inline]
 __x64_sys_lseek+0x14f/0x1e0 fs/read_write.c:410
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f168ef8efc9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f168fdf6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000008
RAX: ffffffffffffffda RBX: 00007f168f1e5fa0 RCX: 00007f168ef8efc9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000004
RBP: 00007f168f011f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f168f1e6038 R14: 00007f168f1e5fa0 R15: 00007fff99736708
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__io_uring_show_fdinfo io_uring/fdinfo.c:103 [inline]
RIP: 0010:io_uring_show_fdinfo+0x371/0x1840 io_uring/fdinfo.c:255
Code: 0f 85 29 04 00 00 45 8b 36 44 89 f7 44 89 ee e8 15 3b 95 00 45 39 ee 76 11 e8 4b 39 95 00 45 89 fd 4c 8b 3c 24 e9 c9 03 00 00 <80> 3b 00 45 89 fd 0f 85 17 04 00 00 0f b6 2c 25 00 00 00 00 48 8b
RSP: 0018:ffffc90003f2fc90 EFLAGS: 00010293
RAX: ffffffff812b443b RBX: dffffc0000000000 RCX: 0000000000000002
RDX: ffff888025ea1e40 RSI: 0000000000000fff RDI: 0000000000000000
RBP: 0000000000000000 R08: ffff888073cc80ab R09: 1ffff1100e799015
R10: dffffc0000000000 R11: ffffed100e799016 R12: 0000000000000008
R13: 0000000000000fff R14: 0000000000000000 R15: 0000000000000000
FS:  00007f168fdf66c0(0000) GS:ffff888125ce4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3f1e7e CR3: 000000007adbe000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	0f 85 29 04 00 00    	jne    0x42f
   6:	45 8b 36             	mov    (%r14),%r14d
   9:	44 89 f7             	mov    %r14d,%edi
   c:	44 89 ee             	mov    %r13d,%esi
   f:	e8 15 3b 95 00       	call   0x953b29
  14:	45 39 ee             	cmp    %r13d,%r14d
  17:	76 11                	jbe    0x2a
  19:	e8 4b 39 95 00       	call   0x953969
  1e:	45 89 fd             	mov    %r15d,%r13d
  21:	4c 8b 3c 24          	mov    (%rsp),%r15
  25:	e9 c9 03 00 00       	jmp    0x3f3
* 2a:	80 3b 00             	cmpb   $0x0,(%rbx) <-- trapping instruction
  2d:	45 89 fd             	mov    %r15d,%r13d
  30:	0f 85 17 04 00 00    	jne    0x44d
  36:	0f b6 2c 25 00 00 00 	movzbl 0x0,%ebp
  3d:	00
  3e:	48                   	rex.W
  3f:	8b                   	.byte 0x8b