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

syzbot <[email protected]> Thu, 06 Aug 2026 08:37:40 -0700
Newsgroups org.osuosl.intel-wired-lan,org.kernel.vger.linux-kernel,org.kernel.vger.netdev
Message-ID <[email protected]>
Hello,

syzbot found the following issue on:

HEAD commit:    848acc8ffe1b Merge tag 'fsverity-for-linus' of git://git.k..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=159d33b9580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=c05be6c9b0d36cb9
dashboard link: https://syzkaller.appspot.com/bug?extid=8ce4dba751e79facdc38
compiler:       Debian clang version 22.1.8 (++20260613092233+e80beda6e255-1~exp1~20260613092250.77), Debian LLD 22.1.8

Unfortunately, I don't have any reproducer for this issue yet.

Downloadable assets:
disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/d900f083ada3/non_bootable_disk-848acc8f.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/2425c07b5d46/vmlinux-848acc8f.xz
kernel image: https://storage.googleapis.com/syzbot-assets/cf278dd14da3/bzImage-848acc8f.xz

IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: [email protected]

e1000e 0000:00:03.0: Interrupt Throttling Rate (ints/sec) set to dynamic conservative mode
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: ffffc900014c70b0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 1b000067 P4D 1b000067 PUD 1c2b9067 PMD 313cf067 PTE 0
Oops: Oops: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5316 Comm: syz.0.0 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+0x42/0x130 drivers/net/ethernet/intel/e1000e/82571.c:850
Code: fc ff df e8 a0 97 f9 fa 4c 8d 73 08 bd 9d ff ff ff 4d 89 f4 49 c1 ec 03 43 80 3c 3c 00 74 08 4c 89 f7 e8 21 ca 68 fb 49 8b 06 <44> 8b a8 10 10 00 00 44 89 ee 81 e6 00 00 04 00 31 ff e8 a7 9b f9
RSP: 0018:ffffc9000e0bf828 EFLAGS: 00010246
RAX: ffffc900014c60a0 RBX: ffff888012ea95b8 RCX: 0000000000100000
RDX: ffffc9000f08a000 RSI: 000000000007b7ca RDI: 000000000007b7cb
RBP: 00000000ffffff9d R08: ffffffff9057c237 R09: 1ffffffff20af846
R10: dffffc0000000000 R11: ffffffff86cd8b00 R12: 1ffff110025d52b8
R13: ffff888012ea8ec0 R14: ffff888012ea95c0 R15: dffffc0000000000
FS:  00007f43c9d9e6c0(0000) GS:ffff88808c540000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900014c70b0 CR3: 0000000045878000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 e1000_phy_hw_reset drivers/net/ethernet/intel/e1000e/e1000.h:542 [inline]
 e1000_probe+0x1fb5/0x2b20 drivers/net/ethernet/intel/e1000e/netdev.c:7725
 local_pci_probe drivers/pci/pci-driver.c:332 [inline]
 pci_call_probe drivers/pci/pci-driver.c:394 [inline]
 __pci_device_probe drivers/pci/pci-driver.c:455 [inline]
 pci_device_probe+0x431/0xc90 drivers/pci/pci-driver.c:489
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x254/0xae0 drivers/base/dd.c:706
 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
 device_driver_attach+0xe0/0x1d0 drivers/base/dd.c:1203
 bind_store+0x1d0/0x220 drivers/base/bus.c:267
 kernfs_fop_write_iter+0x3a4/0x540 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x612/0xba0 fs/read_write.c:687
 ksys_write+0x150/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f43c8f9e019
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:00007f43c9d9dfe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f43c9225fa0 RCX: 00007f43c8f9e019
RDX: 000000000000000d RSI: 0000200000000240 RDI: 0000000000000005
RBP: 00007f43c903500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f43c9226038 R14: 00007f43c9225fa0 R15: 00007ffc48486068
 </TASK>
Modules linked in:
CR2: ffffc900014c70b0
---[ 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+0x42/0x130 drivers/net/ethernet/intel/e1000e/82571.c:850
Code: fc ff df e8 a0 97 f9 fa 4c 8d 73 08 bd 9d ff ff ff 4d 89 f4 49 c1 ec 03 43 80 3c 3c 00 74 08 4c 89 f7 e8 21 ca 68 fb 49 8b 06 <44> 8b a8 10 10 00 00 44 89 ee 81 e6 00 00 04 00 31 ff e8 a7 9b f9
RSP: 0018:ffffc9000e0bf828 EFLAGS: 00010246
RAX: ffffc900014c60a0 RBX: ffff888012ea95b8 RCX: 0000000000100000
RDX: ffffc9000f08a000 RSI: 000000000007b7ca RDI: 000000000007b7cb
RBP: 00000000ffffff9d R08: ffffffff9057c237 R09: 1ffffffff20af846
R10: dffffc0000000000 R11: ffffffff86cd8b00 R12: 1ffff110025d52b8
R13: ffff888012ea8ec0 R14: ffff888012ea95c0 R15: dffffc0000000000
FS:  00007f43c9d9e6c0(0000) GS:ffff88808c540000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900014c70b0 CR3: 0000000045878000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess), 3 bytes skipped:
   0:	e8 a0 97 f9 fa       	call   0xfaf997a5
   5:	4c 8d 73 08          	lea    0x8(%rbx),%r14
   9:	bd 9d ff ff ff       	mov    $0xffffff9d,%ebp
   e:	4d 89 f4             	mov    %r14,%r12
  11:	49 c1 ec 03          	shr    $0x3,%r12
  15:	43 80 3c 3c 00       	cmpb   $0x0,(%r12,%r15,1)
  1a:	74 08                	je     0x24
  1c:	4c 89 f7             	mov    %r14,%rdi
  1f:	e8 21 ca 68 fb       	call   0xfb68ca45
  24:	49 8b 06             	mov    (%r14),%rax
* 27:	44 8b a8 10 10 00 00 	mov    0x1010(%rax),%r13d <-- trapping instruction
  2e:	44 89 ee             	mov    %r13d,%esi
  31:	81 e6 00 00 04 00    	and    $0x40000,%esi
  37:	31 ff                	xor    %edi,%edi
  39:	e8                   	.byte 0xe8
  3a:	a7                   	cmpsl  %es:(%rdi),%ds:(%rsi)
  3b:	9b                   	fwait
  3c:	f9                   	stc


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