BUG: unable to handle kernel paging request in e1000_get_cfg_done_82571

Status: upstream: reported on 2026/08/04 23:51
Reported-by: syzbot+2b55fb78e177efdc9be9@syzkaller.appspotmail.com
First crash: 4d16h, last: 4d16h
Similar bugs (1)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: unable to handle kernel paging request in e1000_get_cfg_done_82571 intel-wired-lan prio:high 8 3 5d02h 3d00h 0/29 upstream: reported on 2026/08/06 15:37

Sample crash report:
e1000e 0000:00:03.0: The NVM Checksum Is Not Valid
BUG: unable to handle page fault for address: ffffc900045ae010
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 17400067 P4D 17400067 PUD 17622067 PMD 24b49067 PTE 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 4346 Comm: kworker/0:6 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: events work_for_cpu_fn
RIP: 0010:readl arch/x86/include/asm/io.h:61 [inline]
RIP: 0010:__er32 drivers/net/ethernet/intel/e1000e/e1000.h:579 [inline]
RIP: 0010:e1000_get_cfg_done_82571+0x3e/0x100 drivers/net/ethernet/intel/e1000e/82571.c:851
Code: fc ff df e8 24 c0 e1 fb 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 c5 ec 32 fc 49 8b 06 <44> 8b a8 10 10 00 00 44 89 ee 81 e6 00 00 04 00 31 ff e8 4b c3 e1
RSP: 0018:ffffc90003f97a48 EFLAGS: 00010246
RAX: ffffc900045ad000 RBX: ffff88807b5e92f8 RCX: ffff888026d79e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807b5e92f8
RBP: 00000000ffffff9d R08: ffffffff90b1028f R09: 1ffffffff2162051
R10: dffffc0000000000 R11: fffffbfff2162052 R12: 1ffff1100f6bd260
R13: ffff88807b5e8c80 R14: ffff88807b5e9300 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc900045ae010 CR3: 00000000183af000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 e1000_phy_hw_reset drivers/net/ethernet/intel/e1000e/e1000.h:517 [inline]
 e1000_probe+0x1f58/0x29f0 drivers/net/ethernet/intel/e1000e/netdev.c:7701
 local_pci_probe+0xc5/0x150 drivers/pci/pci-driver.c:324
 work_for_cpu_fn+0x50/0x80 kernel/workqueue.c:5184
 process_one_work+0x8ab/0x1160 kernel/workqueue.c:2292
 process_scheduled_works kernel/workqueue.c:2355 [inline]
 worker_thread+0xdd1/0x12a0 kernel/workqueue.c:2444
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
CR2: ffffc900045ae010
---[ end trace 0000000000000000 ]---
RSP: 0018:ffffc90003f97a48 EFLAGS: 00010246
FS:  0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CR2: ffffc900045ae010 CR3: 00000000183af000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	fc                   	cld
   1:	ff                   	lcall  (bad)
   2:	df e8                	fucomip %st(0),%st
   4:	24 c0                	and    $0xc0,%al
   6:	e1 fb                	loope  0x3
   8:	4c 8d 73 08          	lea    0x8(%rbx),%r14
   c:	bd 9d ff ff ff       	mov    $0xffffff9d,%ebp
  11:	4d 89 f4             	mov    %r14,%r12
  14:	49 c1 ec 03          	shr    $0x3,%r12
  18:	43 80 3c 3c 00       	cmpb   $0x0,(%r12,%r15,1)
  1d:	74 08                	je     0x27
  1f:	4c 89 f7             	mov    %r14,%rdi
  22:	e8 c5 ec 32 fc       	call   0xfc32ecec
  27:	49 8b 06             	mov    (%r14),%rax
* 2a:	44 8b a8 10 10 00 00 	mov    0x1010(%rax),%r13d <-- trapping instruction
  31:	44 89 ee             	mov    %r13d,%esi
  34:	81 e6 00 00 04 00    	and    $0x40000,%esi
  3a:	31 ff                	xor    %edi,%edi
  3c:	e8                   	.byte 0xe8
  3d:	4b c3                	rex.WXB ret
  3f:	e1                   	.byte 0xe1

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/04 23:51 linux-6.1.y fb28aa725e05 d4abbeac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: unable to handle kernel paging request in e1000_get_cfg_done_82571
* Struck through repros no longer work on HEAD.