general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f]
CPU: 0 PID: 4858 Comm: syz.9.60 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:i915_pci_probe+0xa1/0x450 drivers/gpu/drm/i915/i915_pci.c:1172
Code: fc fc 49 8d 5e 18 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 6d e9 41 fd 48 8b 1b 48 83 c3 28 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 e0 02 00 00 0f b7 1b 89 de 83 e6 04 31
RSP: 0018:ffffc9000406f900 EFLAGS: 00010206
RAX: 0000000000000005 RBX: 0000000000000028 RCX: 0000000000080000
RDX: ffffc900147ed000 RSI: 0000000000002e1d RDI: 0000000000002e1e
RBP: ffffc9000406f9f0 R08: ffffffff9101517f R09: 1ffffffff2202a2f
R10: dffffc0000000000 R11: fffffbfff2202a30 R12: 1ffff9200080df28
R13: ffff888076454000 R14: ffffffff8a7edd80 R15: dffffc0000000000
FS:  00007f84155e46c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5e6c6c6b00 CR3: 0000000074c46000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 local_pci_probe drivers/pci/pci-driver.c:323 [inline]
 pci_call_probe drivers/pci/pci-driver.c:380 [inline]
 __pci_device_probe drivers/pci/pci-driver.c:405 [inline]
 pci_device_probe+0x4d7/0x850 drivers/pci/pci-driver.c:448
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x276/0xc70 drivers/base/dd.c:595
 __driver_probe_device+0x1f5/0x390 drivers/base/dd.c:775
 device_driver_attach+0xdc/0x1d0 drivers/base/dd.c:1096
 bind_store+0x33b/0x380 drivers/base/bus.c:216
 kernfs_fop_write_iter+0x3a8/0x500 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:2179 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x748/0xd70 fs/read_write.c:594
 ksys_write+0x153/0x260 fs/read_write.c:647
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f841738c1d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f84155e4028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f8417613fa0 RCX: 00007f841738c1d9
RDX: 000000000000000d RSI: 0000200000000700 RDI: 0000000000000006
RBP: 00007f8417423888 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8417614038 R14: 00007f8417613fa0 R15: 00007ffc9d903b58
 </TASK>
Modules linked in:
---[ end trace 018b2bf78baf8ae9 ]---
RIP: 0010:i915_pci_probe+0xa1/0x450 drivers/gpu/drm/i915/i915_pci.c:1172
Code: fc fc 49 8d 5e 18 48 89 d8 48 c1 e8 03 42 80 3c 38 00 74 08 48 89 df e8 6d e9 41 fd 48 8b 1b 48 83 c3 28 48 89 d8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 e0 02 00 00 0f b7 1b 89 de 83 e6 04 31
RSP: 0018:ffffc9000406f900 EFLAGS: 00010206
RAX: 0000000000000005 RBX: 0000000000000028 RCX: 0000000000080000
RDX: ffffc900147ed000 RSI: 0000000000002e1d RDI: 0000000000002e1e
RBP: ffffc9000406f9f0 R08: ffffffff9101517f R09: 1ffffffff2202a2f
R10: dffffc0000000000 R11: fffffbfff2202a30 R12: 1ffff9200080df28
R13: ffff888076454000 R14: ffffffff8a7edd80 R15: dffffc0000000000
FS:  00007f84155e46c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffba08ffdc CR3: 0000000074c46000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	fc                   	cld
   1:	fc                   	cld
   2:	49 8d 5e 18          	lea    0x18(%r14),%rbx
   6:	48 89 d8             	mov    %rbx,%rax
   9:	48 c1 e8 03          	shr    $0x3,%rax
   d:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
  12:	74 08                	je     0x1c
  14:	48 89 df             	mov    %rbx,%rdi
  17:	e8 6d e9 41 fd       	call   0xfd41e989
  1c:	48 8b 1b             	mov    (%rbx),%rbx
  1f:	48 83 c3 28          	add    $0x28,%rbx
  23:	48 89 d8             	mov    %rbx,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 38       	movzbl (%rax,%r15,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 e0 02 00 00    	jne    0x317
  37:	0f b7 1b             	movzwl (%rbx),%ebx
  3a:	89 de                	mov    %ebx,%esi
  3c:	83 e6 04             	and    $0x4,%esi
  3f:	31                   	.byte 0x31