e1000 0000:00:01.0 (unnamed net_device) (uninitialized): Unknown MAC Type ------------[ cut here ]------------ !is_ioremap_addr((void __force *)addr) WARNING: arch/x86/mm/ioremap.c:460 at iounmap+0x64/0x240 arch/x86/mm/ioremap.c:460, CPU#0: syz.5.1588/11082 Modules linked in: CPU: 0 UID: 0 PID: 11082 Comm: syz.5.1588 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:iounmap+0x64/0x240 arch/x86/mm/ioremap.c:460 Code: df 48 89 ee e8 fd 3c 51 00 48 39 eb 72 16 e8 13 43 51 00 eb 28 cc cc cc 49 bc 00 00 00 00 00 00 32 00 eb 23 e8 fd 42 51 00 90 <0f> 0b 90 e8 f4 42 51 00 5b 5d 41 5c 41 5d c3 cc cc cc cc 49 bc 00 RSP: 0018:ffffc9000426f7d0 EFLAGS: 00010287 RAX: 000000000002de82 RBX: 0000000000000000 RCX: ffffc90031f0f000 RDX: 0000000000080000 RSI: ffffffff81bada13 RDI: ffff888030634b00 RBP: ffffc90000000000 R08: 0000000000000006 R09: 0000000000000000 R10: ffffc90000000000 R11: 0000000000000001 R12: ffff888020289430 R13: ffff888056fe80d0 R14: ffff888056fe803e R15: ffff888020288000 FS: 00007fa43aff66c0(0000) GS:ffff8880d5b59000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4d21427dac CR3: 0000000033a4b000 CR4: 0000000000352ef0 Call Trace: e1000_probe+0x1400/0x2cf0 drivers/net/ethernet/intel/e1000/e1000_main.c:1230 local_pci_probe+0xdd/0x1b0 drivers/pci/pci-driver.c:354 pci_call_probe+0x176/0x800 drivers/pci/pci-driver.c:416 __pci_device_probe drivers/pci/pci-driver.c:478 [inline] pci_device_probe+0x25b/0x400 drivers/pci/pci-driver.c:512 call_driver_probe drivers/base/dd.c:628 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:706 __driver_probe_device+0x210/0x460 drivers/base/dd.c:868 device_driver_attach+0xd1/0x220 drivers/base/dd.c:1203 bind_store+0xf4/0x190 drivers/base/bus.c:267 drv_attr_store+0x74/0xb0 drivers/base/bus.c:125 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+0x6af/0x1050 fs/read_write.c:687 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa43cd9e159 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:00007fa43aff6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fa43d025fa0 RCX: 00007fa43cd9e159 RDX: 000000000000000d RSI: 0000200000000800 RDI: 0000000000000007 RBP: 00007fa43ce3503b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fa43d026038 R14: 00007fa43d025fa0 R15: 00007ffd7bc65fe8