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Thu, 06 Aug 2026 08:36:37 -0700 (PDT) Date: Thu, 06 Aug 2026 08:36:37 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a74aa05.01d0871a.3a0d52.0026.GAE@google.com> From: syzbot To: andrew+netdev@lunn.ch, anthony.l.nguyen@intel.com, davem@davemloft.net, edumazet@google.com, intel-wired-lan@lists.osuosl.org, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, przemyslaw.kitszel@intel.com, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Mailman-Approved-At: Thu, 06 Aug 2026 16:02:38 +0000 X-Mailman-Original-Authentication-Results: smtp3.osuosl.org; dmarc=none (p=none dis=none) header.from=syzkaller.appspotmail.com Subject: [Intel-wired-lan] [syzbot] [intel-wired-lan?] BUG: unable to handle kernel paging request in e1000_get_variants_82571 X-BeenThere: intel-wired-lan@osuosl.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Intel Wired Ethernet Linux Kernel Driver Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-wired-lan-bounces@osuosl.org Sender: "Intel-wired-lan" 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=15ae93b9580000 kernel config: https://syzkaller.appspot.com/x/.config?x=145fa60d73086782 dashboard link: https://syzkaller.appspot.com/bug?extid=0ddf1022b4d5c391c09b 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=178b7649580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=117c6cc6580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/32c9dc084aaa/disk-848acc8f.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/b7604244b0a9/vmlinux-848acc8f.xz kernel image: https://storage.googleapis.com/syzbot-assets/4cd321f6fe47/bzImage-848acc8f.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+0ddf1022b4d5c391c09b@syzkaller.appspotmail.com 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. BUG: unable to handle page fault for address: ffffc900035b4b58 #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 13fe5c067 P4D 13fe5c067 PUD 1cae3067 PMD 22725067 PTE 0 Oops: Oops: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 Workqueue: sync_wq local_pci_probe_callback 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_init_mac_params_82571 drivers/net/ethernet/intel/e1000e/82571.c:278 [inline] RIP: 0010:e1000_get_variants_82571+0xe08/0x1c30 drivers/net/ethernet/intel/e1000e/82571.c:320 Code: f6 ff ff e8 da 1f 0f fb 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 f7 0b 00 00 49 8b 87 00 07 00 00 <8b> a8 58 5b 00 00 89 e8 31 ff 83 e0 02 89 c6 89 44 24 10 e8 10 1a RSP: 0018:ffffc900000f7a00 EFLAGS: 00010246 RAX: ffffc900035af000 RBX: ffff88807ed91694 RCX: ffffffff86fb44f8 RDX: 1ffff1100fdb22b8 RSI: ffffffff86fb4506 RDI: ffff88801eaa2540 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff9200001ef45 R13: ffff88807ed915c0 R14: ffff88807ed915b8 R15: ffff88807ed90ec0 FS: 0000000000000000(0000) GS:ffff888123dd8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900035b4b58 CR3: 0000000073af9000 CR4: 00000000003526f0 Call Trace: e1000_probe+0x1123/0x36b0 drivers/net/ethernet/intel/e1000e/netdev.c:7494 local_pci_probe+0xdd/0x1b0 drivers/pci/pci-driver.c:332 local_pci_probe_callback+0x35/0x80 drivers/pci/pci-driver.c:361 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322 process_scheduled_works kernel/workqueue.c:3405 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: CR2: ffffc900035b4b58 ---[ 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_init_mac_params_82571 drivers/net/ethernet/intel/e1000e/82571.c:278 [inline] RIP: 0010:e1000_get_variants_82571+0xe08/0x1c30 drivers/net/ethernet/intel/e1000e/82571.c:320 Code: f6 ff ff e8 da 1f 0f fb 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 f7 0b 00 00 49 8b 87 00 07 00 00 <8b> a8 58 5b 00 00 89 e8 31 ff 83 e0 02 89 c6 89 44 24 10 e8 10 1a RSP: 0018:ffffc900000f7a00 EFLAGS: 00010246 RAX: ffffc900035af000 RBX: ffff88807ed91694 RCX: ffffffff86fb44f8 RDX: 1ffff1100fdb22b8 RSI: ffffffff86fb4506 RDI: ffff88801eaa2540 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff9200001ef45 R13: ffff88807ed915c0 R14: ffff88807ed915b8 R15: ffff88807ed90ec0 FS: 0000000000000000(0000) GS:ffff888123dd8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc900035b4b58 CR3: 0000000073af9000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: f6 ff idiv %bh 2: ff ljmp (bad) 3: e8 da 1f 0f fb call 0xfb0f1fe2 8: 4c 89 ea mov %r13,%rdx b: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 12: fc ff df 15: 48 c1 ea 03 shr $0x3,%rdx 19: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 1d: 0f 85 f7 0b 00 00 jne 0xc1a 23: 49 8b 87 00 07 00 00 mov 0x700(%r15),%rax * 2a: 8b a8 58 5b 00 00 mov 0x5b58(%rax),%ebp <-- trapping instruction 30: 89 e8 mov %ebp,%eax 32: 31 ff xor %edi,%edi 34: 83 e0 02 and $0x2,%eax 37: 89 c6 mov %eax,%esi 39: 89 44 24 10 mov %eax,0x10(%rsp) 3d: e8 .byte 0xe8 3e: 10 1a adc %bl,(%rdx) --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup