Re: [syzbot] [intel-wired-lan?] BUG: unable to handle kernel paging request in e1000_get_cfg_done_82571

[syzbot <syzbot+8ce4dba751e79facdc38@syzkaller.appspotmail.com>]

syzbot has found a reproducer for the following issue on:

HEAD commit:    3eb40771c00a Merge tag 'soc-fixes-7.2-3' of git://git.kern..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=11ea7279580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=1d67342c314f228d
dashboard link: https://syzkaller.appspot.com/bug?extid=8ce4dba751e79facdc38
compiler:       gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14141949580000

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-3eb40771.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/08eda747d304/vmlinux-3eb40771.xz
kernel image: https://storage.googleapis.com/syzbot-assets/24378ecbcb01/bzImage-3eb40771.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+8ce4dba751e79facdc38@syzkaller.appspotmail.com

e1000e 0000:00:03.0 0000:00:03.0 (uninitialized): Failed to initialize MSI interrupts.  Falling back to legacy interrupts.
e1000e 0000:00:03.0: The NVM Checksum Is Not Valid
BUG: unable to handle page fault for address: ffffc900031fd0b0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 1c000067 P4D 1c000067 PUD 1d6a8067 PMD 25f44067 PTE 0
Oops: Oops: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 5912 Comm: syz.0.17 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:readl arch/x86/include/asm/io.h:59 [inline]
RIP: 0010:__er32 drivers/net/ethernet/intel/e1000e/e1000.h:604 [inline]
RIP: 0010:e1000_get_cfg_done_82571+0x68/0x150 drivers/net/ethernet/intel/e1000e/82571.c:850
Code: 00 00 ba 02 00 00 00 e8 c6 6e c5 04 31 ff 89 ee e8 3d 77 10 fb 85 ed 74 4e e8 c4 7c 10 fb 41 80 7d 00 00 75 5e 49 8b 44 24 08 <8b> 98 10 10 00 00 81 e3 00 00 04 00 31 ff 89 de e8 13 77 10 fb 85
RSP: 0018:ffffc900059c7850 EFLAGS: 00010246
RAX: ffffc900031fc0a0 RBX: ffff8880364795b8 RCX: ffffffff86ffdd0d
RDX: ffff8880304eca80 RSI: ffffffff86f9f6bc RDI: ffff8880364795b8
RBP: 0000000000000064 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880364795b8
R13: ffffed1006c8f2b8 R14: ffff8880364795c0 R15: 1ffff92000b38f25
FS:  00007f253b3456c0(0000) GS:ffff8880d5cde000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900031fd0b0 CR3: 000000002ac2b000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 e1000e_phy_hw_reset_generic+0x1f2/0x260 drivers/net/ethernet/intel/e1000e/phy.c:2167
 e1000_phy_hw_reset drivers/net/ethernet/intel/e1000e/e1000.h:542 [inline]
 e1000_probe+0x2446/0x36b0 drivers/net/ethernet/intel/e1000e/netdev.c:7725
 local_pci_probe+0xdd/0x1b0 drivers/pci/pci-driver.c:332
 pci_call_probe+0x176/0x800 drivers/pci/pci-driver.c:394
 __pci_device_probe drivers/pci/pci-driver.c:455 [inline]
 pci_device_probe+0x1cd/0x370 drivers/pci/pci-driver.c:489
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 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+0x6ac/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f253a39e0d9
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:00007f253b345028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f253a625fa0 RCX: 00007f253a39e0d9
RDX: 000000000000000d RSI: 0000200000000240 RDI: 0000000000000005
RBP: 00007f253a435024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f253a626038 R14: 00007f253a625fa0 R15: 00007fff99ad0258
 </TASK>
Modules linked in:
CR2: ffffc900031fd0b0
---[ end trace 0000000000000000 ]---
RIP: 0010:readl arch/x86/include/asm/io.h:59 [inline]
RIP: 0010:__er32 drivers/net/ethernet/intel/e1000e/e1000.h:604 [inline]
RIP: 0010:e1000_get_cfg_done_82571+0x68/0x150 drivers/net/ethernet/intel/e1000e/82571.c:850
Code: 00 00 ba 02 00 00 00 e8 c6 6e c5 04 31 ff 89 ee e8 3d 77 10 fb 85 ed 74 4e e8 c4 7c 10 fb 41 80 7d 00 00 75 5e 49 8b 44 24 08 <8b> 98 10 10 00 00 81 e3 00 00 04 00 31 ff 89 de e8 13 77 10 fb 85
RSP: 0018:ffffc900059c7850 EFLAGS: 00010246
RAX: ffffc900031fc0a0 RBX: ffff8880364795b8 RCX: ffffffff86ffdd0d
RDX: ffff8880304eca80 RSI: ffffffff86f9f6bc RDI: ffff8880364795b8
RBP: 0000000000000064 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880364795b8
R13: ffffed1006c8f2b8 R14: ffff8880364795c0 R15: 1ffff92000b38f25
FS:  00007f253b3456c0(0000) GS:ffff8880d5cde000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900031fd0b0 CR3: 000000002ac2b000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	ba 02 00 00 00       	mov    $0x2,%edx
   7:	e8 c6 6e c5 04       	call   0x4c56ed2
   c:	31 ff                	xor    %edi,%edi
   e:	89 ee                	mov    %ebp,%esi
  10:	e8 3d 77 10 fb       	call   0xfb107752
  15:	85 ed                	test   %ebp,%ebp
  17:	74 4e                	je     0x67
  19:	e8 c4 7c 10 fb       	call   0xfb107ce2
  1e:	41 80 7d 00 00       	cmpb   $0x0,0x0(%r13)
  23:	75 5e                	jne    0x83
  25:	49 8b 44 24 08       	mov    0x8(%r12),%rax
* 2a:	8b 98 10 10 00 00    	mov    0x1010(%rax),%ebx <-- trapping instruction
  30:	81 e3 00 00 04 00    	and    $0x40000,%ebx
  36:	31 ff                	xor    %edi,%edi
  38:	89 de                	mov    %ebx,%esi
  3a:	e8 13 77 10 fb       	call   0xfb107752
  3f:	85                   	.byte 0x85


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