From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f71.google.com (mail-ot1-f71.google.com [209.85.210.71]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C4C9C3A872C for ; Thu, 13 Aug 2026 12:52:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786625547; cv=none; b=HlTzkq1MZQrj/Ty9gjtfKk9Bo71oaTUQYkMtNGvrQhFPF4LKd466n8UZvtZutpkvLuIud1qqN8gDtYJkbp8TF6INJcEDWmH7vjKKGe0Rg/B7nYUBVZIy1PbRBdD4WZDS5hHzOhnfpwdYz+WVCZXYPBLP4eOgNobXY8cxVQcocVk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786625547; c=relaxed/simple; bh=JX50RXTBrA5Y05E7l76IE7oCZGZvxBakMAQNdcm0yk4=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=g3CF6YfZFU4pOLsWRRePawAWlB48j0tCNkLLbj5DOKCObsdCrzGyW50Z9e8HyLwBbEdwhtwJZijdm8IIY2sqFFRCeA77aFmL8t9JWDADYqHmY1Y9A/MtgxcfZY+VCwf1BFee/9M7/ZReHtM3KalVTML6ZhbysFe6FYkHGy5I8UM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.210.71 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-ot1-f71.google.com with SMTP id 46e09a7af769-7f3cc4f6604so748574a34.0 for ; Thu, 13 Aug 2026 05:52:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1786625545; x=1787230345; h=content-type:to:from:subject:message-id:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=W6k0TYruOcUa+BZt8cfgVYPKEbF3/lmBzdZC02TGCOk=; b=rKP6whh8uL88crXF7OpfKzMOrNiJlZlGGf8aiT7GeC8j7mBMr2AcaG+9za59s5EVmc spPLG8yWPbqZ5PXtJ+FMim4Sjl8L4xUBoQWhCq2sFS/DK0dX6QT39sV+xtlItEp241qK qKiwP6PcDErIlMpIRMxLCmo+Bd7Tgktjy3eXBHMylg4VM/8EjQ4+XfsfIGu3srfhHyER SY3MSkAVahMqSGZuw4Ck7tooNLSQZLFZ5nm+mdhsLlVZi0B2BSXIowj3ONRrMG+/jPeb /iwOh4pKZuKghgII2iQRZfdsIOE4MghevnTg2NqEiBj9bWbAKvj+NBXnlXLkMSOZvCp0 rMUQ== X-Forwarded-Encrypted: i=1; AHgh+RrVP0UKKgf7Fg3/5GFPdb34CDQzJPPqGCCRzcJ/BikY0fxXXuxU6SefO49l5BSG8/JESTIzxlqcuRwtSE8=@vger.kernel.org X-Gm-Message-State: AOJu0Yxy9NHRNjmFhLm7puVYChDqdHR2ma6kWgJQGM6R1ILUF6ft+PBx n687OqFWNmZuVWbAobmCfvuficRfyD41MkBXg1LLB8aspkhlxSLryhGlP4rDiL2oua9CyORco/v j7UTo9Os7fi+96HiOQ6jLME1AqSxh9NlvbftmkFHNNa+MjHUyzYVaopezSl8= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:807:b0:6b0:4c0b:4846 with SMTP id 006d021491bc7-6b0c42191d2mr4377668eaf.10.1786625544656; Thu, 13 Aug 2026 05:52:24 -0700 (PDT) Date: Thu, 13 Aug 2026 05:52:24 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a7dbe08.ec5dc6cc.21cb3f.00b6.GAE@google.com> Subject: [syzbot] [input?] BUG: unable to handle kernel paging request in amd_mp2_pci_probe From: syzbot To: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 3d6d817622b0 Merge tag 'scsi-fixes' of git://git.kernel.or.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=140d5149580000 kernel config: https://syzkaller.appspot.com/x/.config?x=c44651ea7dd2f307 dashboard link: https://syzkaller.appspot.com/bug?extid=4eadd4dfe9e66522bae8 compiler: gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15e1b225580000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+4eadd4dfe9e66522bae8@syzkaller.appspotmail.com Console: switching to colour dummy device 80x25 BUG: unable to handle page fault for address: ffffc9000386468c #PF: supervisor read access in kernel mode #PF: error_code(0x0000) - not-present page PGD 1bc00067 P4D 1bc00067 PUD 1d293067 PMD 26b0e067 PTE 0 Oops: Oops: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 6020 Comm: syz-executor364 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:mp2_select_ops drivers/hid/amd-sfh-hid/amd_sfh_pcie.c:282 [inline] RIP: 0010:amd_mp2_pci_probe+0x43d/0x820 drivers/hid/amd-sfh-hid/amd_sfh_pcie.c:487 Code: f9 e9 c7 02 00 00 e8 52 46 f8 f8 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 72 03 00 00 48 8b 45 10 <8b> 98 8c 06 01 00 48 8d bd a0 00 00 00 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffffc9000354f810 EFLAGS: 00010246 RAX: ffffc90003854000 RBX: 0000000000000000 RCX: ffffffff89122b85 RDX: 1ffff110025a5009 RSI: ffffffff89122d2e RDI: ffff888034c9a540 RBP: ffff888012d28038 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888022e82000 R13: ffff888022e820d0 R14: ffffffff8c438280 R15: ffff888012d28048 FS: 0000555584ff9400(0000) GS:ffff8880d5dec000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000386468c CR3: 0000000027179000 CR4: 0000000000352ef0 Call Trace: 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 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098 bus_rescan_devices_helper+0xfb/0x220 drivers/base/bus.c:854 drivers_probe_store+0x4a/0x90 drivers/base/bus.c:318 bus_attr_store+0x74/0xb0 drivers/base/bus.c:172 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: 0033:0x7fd76cf69e77 Code: 48 89 fa 4c 89 df e8 98 1d 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff RSP: 002b:00007ffdac17fdf0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000555584ff9400 RCX: 00007fd76cf69e77 RDX: 000000000000000d RSI: 00007ffdac17fe9c RDI: 0000000000000003 RBP: 000000000000000d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdac17fea9 R13: 00007ffdac17fe9c R14: 00007ffdac17fe70 R15: 00007fd76cfa507a Modules linked in: CR2: ffffc9000386468c ---[ end trace 0000000000000000 ]--- RIP: 0010:readl arch/x86/include/asm/io.h:59 [inline] RIP: 0010:mp2_select_ops drivers/hid/amd-sfh-hid/amd_sfh_pcie.c:282 [inline] RIP: 0010:amd_mp2_pci_probe+0x43d/0x820 drivers/hid/amd-sfh-hid/amd_sfh_pcie.c:487 Code: f9 e9 c7 02 00 00 e8 52 46 f8 f8 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 72 03 00 00 48 8b 45 10 <8b> 98 8c 06 01 00 48 8d bd a0 00 00 00 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffffc9000354f810 EFLAGS: 00010246 RAX: ffffc90003854000 RBX: 0000000000000000 RCX: ffffffff89122b85 RDX: 1ffff110025a5009 RSI: ffffffff89122d2e RDI: ffff888034c9a540 RBP: ffff888012d28038 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff888022e82000 R13: ffff888022e820d0 R14: ffffffff8c438280 R15: ffff888012d28048 FS: 0000555584ff9400(0000) GS:ffff8880d5dec000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000386468c CR3: 0000000027179000 CR4: 0000000000352ef0 ---------------- Code disassembly (best guess): 0: f9 stc 1: e9 c7 02 00 00 jmp 0x2cd 6: e8 52 46 f8 f8 call 0xf8f8465d b: 4c 89 fa mov %r15,%rdx e: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 15: fc ff df 18: 48 c1 ea 03 shr $0x3,%rdx 1c: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 20: 0f 85 72 03 00 00 jne 0x398 26: 48 8b 45 10 mov 0x10(%rbp),%rax * 2a: 8b 98 8c 06 01 00 mov 0x1068c(%rax),%ebx <-- trapping instruction 30: 48 8d bd a0 00 00 00 lea 0xa0(%rbp),%rdi 37: 48 rex.W 38: b8 00 00 00 00 mov $0x0,%eax 3d: 00 fc add %bh,%ah 3f: ff .byte 0xff --- 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