pci (null): ROM [mem 0xfeae0000-0xfeaeffff pref]
pci (null): Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
------------[ cut here ]------------
ret < 0
WARNING: drivers/pci/probe.c:2768 at pci_device_add+0x133b/0x1810 drivers/pci/probe.c:2768, CPU#3: syz.3.6578/29094
Modules linked in:
CPU: 3 UID: 0 PID: 29094 Comm: syz.3.6578 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:pci_device_add+0x133b/0x1810 drivers/pci/probe.c:2768
Code: e5 04 83 e0 8f 09 e8 88 83 c8 00 00 00 e9 28 f4 ff ff e8 58 3d b0 fc 90 0f 0b 90 90 0f 0b 90 e9 0e f7 ff ff e8 46 3d b0 fc 90 <0f> 0b 90 e9 7e fa ff ff e8 38 3d b0 fc 90 0f 0b 90 e9 11 fa ff ff
RSP: 0000:ffffc90002eff910 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 00000000ffffffea RCX: ffffffff85596999
RDX: ffff888029452540 RSI: ffffffff85596f1a RDI: ffff888029452540
RBP: ffff88801c2e5000 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000ffffffea R11: 0000000000000000 R12: ffff888021686028
R13: ffff888021686000 R14: 0000000000000001 R15: ffff888052b76000
FS:  0000000000000000(0000) GS:ffff888096ee3000(0063) knlGS:00000000f5426b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f7f64000 CR3: 0000000078cee000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 pci_scan_single_device drivers/pci/probe.c:2792 [inline]
 pci_scan_single_device+0x1d0/0x240 drivers/pci/probe.c:2778
 pci_scan_slot+0x1c9/0x7c0 drivers/pci/probe.c:2875
 pci_scan_child_bus_extend+0x6b/0x7b0 drivers/pci/probe.c:3094
 pci_scan_child_bus drivers/pci/probe.c:3207 [inline]
 pci_rescan_bus+0x18/0x40 drivers/pci/probe.c:3498
 rescan_store+0xfb/0x130 drivers/pci/pci-sysfs.c:473
 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f63fec
Code: Unable to access opcode bytes at 0xf7f63fc2.
RSP: 002b:00000000f542650c EFLAGS: 00000292 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00000000800001c0
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>