BUG: unable to handle kernel paging request in ADDR_check_reset_block_generic

Status: moderation: reported on 2026/08/10 00:24
Subsystems: intel-wired-lan
[Documentation on labels]
Reported-by: syzbot+3bba52184083b03dda88@syzkaller.appspotmail.com
First crash: 6d02h, last: 6d02h
✨ AI Jobs (1)
ID Workflow Result Correct Bug Created Started Finished Revision
91be584b assessment-security 💥 BUG: unable to handle kernel paging request in ADDR_check_reset_block_generic 2026/08/09 10:12 2026/08/09 10:12 2026/08/09 10:12 5d63f80b

Sample crash report:
e1000e 0000:00:03.0: The NVM Checksum Is Not Valid
BUG: unable to handle page fault for address: ffffc90007fc88c0
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 1bc00067 P4D 1bc00067 PUD 1d293067 PMD 24d76067 PTE 0
Oops: Oops: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 6142 Comm: syz.0.67 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:e1000e_check_reset_block_generic+0x2c/0x60 drivers/net/ethernet/intel/e1000e/phy.c:48
Code: 1e fa 53 48 89 fb e8 73 31 0e fb 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 2d 48 8b 43 08 <8b> 98 20 58 00 00 81 e3 00 00 04 00 31 ff 89 de e8 af 2b 0e fb f7
RSP: 0018:ffffc90007977878 EFLAGS: 00010246
RAX: ffffc90007fc30a0 RBX: ffff888021ca95b8 RCX: ffffc9000c803000
RDX: 1ffff110043952b8 RSI: ffffffff86fb7f8d RDI: ffff888021ca95c0
RBP: ffff888021ca8000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffff88802154e000
R13: ffffffff86fb7f80 R14: 00000000ffffffff R15: 1ffff92000f2ef22
FS:  0000000000000000(0000) GS:ffff888096cdf000(0063) knlGS:00000000f545db40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: ffffc90007fc88c0 CR3: 00000000283f4000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 e1000_probe+0x23fd/0x36b0 drivers/net/ethernet/intel/e1000e/netdev.c:7724
 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_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: 0023:0xf706efec
Code: Unable to access opcode bytes at 0xf706efc2.
RSP: 002b:00000000f545d50c EFLAGS: 00000292 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000080000240
RDX: 000000000000000d RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
CR2: ffffc90007fc88c0
---[ 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:e1000e_check_reset_block_generic+0x2c/0x60 drivers/net/ethernet/intel/e1000e/phy.c:48
Code: 1e fa 53 48 89 fb e8 73 31 0e fb 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 75 2d 48 8b 43 08 <8b> 98 20 58 00 00 81 e3 00 00 04 00 31 ff 89 de e8 af 2b 0e fb f7
RSP: 0018:ffffc90007977878 EFLAGS: 00010246
RAX: ffffc90007fc30a0 RBX: ffff888021ca95b8 RCX: ffffc9000c803000
RDX: 1ffff110043952b8 RSI: ffffffff86fb7f8d RDI: ffff888021ca95c0
RBP: ffff888021ca8000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000000 R12: ffff88802154e000
R13: ffffffff86fb7f80 R14: 00000000ffffffff R15: 1ffff92000f2ef22
FS:  0000000000000000(0000) GS:ffff888096cdf000(0063) knlGS:00000000f545db40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f706f000 CR3: 00000000283f4000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	fa                   	cli
   1:	53                   	push   %rbx
   2:	48 89 fb             	mov    %rdi,%rbx
   5:	e8 73 31 0e fb       	call   0xfb0e317d
   a:	48 8d 7b 08          	lea    0x8(%rbx),%rdi
   e:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  15:	fc ff df
  18:	48 89 fa             	mov    %rdi,%rdx
  1b:	48 c1 ea 03          	shr    $0x3,%rdx
  1f:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  23:	75 2d                	jne    0x52
  25:	48 8b 43 08          	mov    0x8(%rbx),%rax
* 29:	8b 98 20 58 00 00    	mov    0x5820(%rax),%ebx <-- trapping instruction
  2f:	81 e3 00 00 04 00    	and    $0x40000,%ebx
  35:	31 ff                	xor    %edi,%edi
  37:	89 de                	mov    %ebx,%esi
  39:	e8 af 2b 0e fb       	call   0xfb0e2bed
  3e:	f7                   	.byte 0xf7

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/08/04 17:35 upstream 848acc8ffe1b 3c5eaa21 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 BUG: unable to handle kernel paging request in ADDR_check_reset_block_generic
* Struck through repros no longer work on HEAD.