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[2a01:c22:7a91:3c00:7438:ddfe:2573:311f]) by smtp.googlemail.com with ESMTPSA id x7-20020a056402414700b0056feb6315easm1279201eda.1.2024.04.12.03.00.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 12 Apr 2024 03:00:15 -0700 (PDT) Message-ID: <2e11b89d-100f-49e7-9c9a-834cc0b82f97@gmail.com> Date: Fri, 12 Apr 2024 12:00:14 +0200 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: Maxime Chevallier , Andrew Lunn , Russell King - ARM Linux Cc: "netdev@vger.kernel.org" From: Heiner Kallweit Subject: Crash in new PHY link topology extension Autocrypt: addr=hkallweit1@gmail.com; keydata= xsFNBF/0ZFUBEAC0eZyktSE7ZNO1SFXL6cQ4i4g6Ah3mOUIXSB4pCY5kQ6OLKHh0FlOD5/5/ sY7IoIouzOjyFdFPnz4Bl3927ClT567hUJJ+SNaFEiJ9vadI6vZm2gcY4ExdIevYHWe1msJF MVE4yNwdS+UsPeCF/6CQQTzHc+n7DomE7fjJD5J1hOJjqz2XWe71fTvYXzxCFLwXXbBiqDC9 dNqOe5odPsa4TsWZ09T33g5n2nzTJs4Zw8fCy8rLqix/raVsqr8fw5qM66MVtdmEljFaJ9N8 /W56qGCp+H8Igk/F7CjlbWXiOlKHA25mPTmbVp7VlFsvsmMokr/imQr+0nXtmvYVaKEUwY2g 86IU6RAOuA8E0J5bD/BeyZdMyVEtX1kT404UJZekFytJZrDZetwxM/cAH+1fMx4z751WJmxQ J7mIXSPuDfeJhRDt9sGM6aRVfXbZt+wBogxyXepmnlv9K4A13z9DVLdKLrYUiu9/5QEl6fgI kPaXlAZmJsQfoKbmPqCHVRYj1lpQtDM/2/BO6gHASflWUHzwmBVZbS/XRs64uJO8CB3+V3fa cIivllReueGCMsHh6/8wgPAyopXOWOxbLsZ291fmZqIR0L5Y6b2HvdFN1Xhc+YrQ8TKK+Z4R mJRDh0wNQ8Gm89g92/YkHji4jIWlp2fwzCcx5+lZCQ1XdqAiHQARAQABzSZIZWluZXIgS2Fs bHdlaXQgPGhrYWxsd2VpdDFAZ21haWwuY29tPsLBjgQTAQgAOBYhBGxfqY/yOyXjyjJehXLe ig9U8DoMBQJf9GRVAhsDBQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEHLeig9U8DoMSycQ AJbfg8HZEK0ljV4M8nvdaiNixWAufrcZ+SD8zhbxl8GispK4F3Yo+20Y3UoZ7FcIidJWUUJL axAOkpI/70YNhlqAPMsuudlAieeYZKjIv1WV5ucNZ3VJ7dC+dlVqQdAr1iD869FZXvy91KhJ wYulyCf+s4T9YgmLC6jLMBZghKIf1uhSd0NzjyCqYWbk2ZxByZHgunEShOhHPHswu3Am0ftt ePaYIHgZs+Vzwfjs8I7EuW/5/f5G9w1vibXxtGY/GXwgGGHRDjFM7RSprGOv4F5eMGh+NFUJ TU9N96PQYMwXVxnQfRXl8O6ffSVmFx4H9rovxWPKobLmqQL0WKLLVvA/aOHCcMKgfyKRcLah 57vGC50Ga8oT2K1g0AhKGkyJo7lGXkMu5yEs0m9O+btqAB261/E3DRxfI1P/tvDZpLJKtq35 dXsj6sjvhgX7VxXhY1wE54uqLLHY3UZQlmH3QF5t80MS7/KhxB1pO1Cpcmkt9hgyzH8+5org +9wWxGUtJWNP7CppY+qvv3SZtKJMKsxqk5coBGwNkMms56z4qfJm2PUtJQGjA65XWdzQACib 2iaDQoBqGZfXRdPT0tC1H5kUJuOX4ll1hI/HBMEFCcO8++Bl2wcrUsAxLzGvhINVJX2DAQaF aNetToazkCnzubKfBOyiTqFJ0b63c5dqziAgzsFNBF/0ZFUBEADF8UEZmKDl1w/UxvjeyAeX kghYkY3bkK6gcIYXdLRfJw12GbvMioSguvVzASVHG8h7NbNjk1yur6AONfbUpXKSNZ0skV8V fG+ppbaY+zQofsSMoj5gP0amwbwvPzVqZCYJai81VobefTX2MZM2Mg/ThBVtGyzV3NeCpnBa 8AX3s9rrX2XUoCibYotbbxx9afZYUFyflOc7kEpc9uJXIdaxS2Z6MnYLHsyVjiU6tzKCiVOU KJevqvzPXJmy0xaOVf7mhFSNQyJTrZpLa+tvB1DQRS08CqYtIMxRrVtC0t0LFeQGly6bOngr ircurWJiJKbSXVstLHgWYiq3/GmCSx/82ObeLO3PftklpRj8d+kFbrvrqBgjWtMH4WtK5uN5 1WJ71hWJfNchKRlaJ3GWy8KolCAoGsQMovn/ZEXxrGs1ndafu47yXOpuDAozoHTBGvuSXSZo ythk/0EAuz5IkwkhYBT1MGIAvNSn9ivE5aRnBazugy0rTRkVggHvt3/7flFHlGVGpBHxFUwb /a4UjJBPtIwa4tWR8B1Ma36S8Jk456k2n1id7M0LQ+eqstmp6Y+UB+pt9NX6t0Slw1NCdYTW gJezWTVKF7pmTdXszXGxlc9kTrVUz04PqPjnYbv5UWuDd2eyzGjrrFOsJEi8OK2d2j4FfF++ AzOMdW09JVqejQARAQABwsF2BBgBCAAgFiEEbF+pj/I7JePKMl6Fct6KD1TwOgwFAl/0ZFUC GwwACgkQct6KD1TwOgxUfg//eAoYc0Vm4NrxymfcY30UjHVD0LgSvU8kUmXxil3qhFPS7KA+ y7tgcKLHOkZkXMX5MLFcS9+SmrAjSBBV8omKoHNo+kfFx/dUAtz0lot8wNGmWb+NcHeKM1eb nwUMOEa1uDdfZeKef/U/2uHBceY7Gc6zPZPWgXghEyQMTH2UhLgeam8yglyO+A6RXCh+s6ak Wje7Vo1wGK4eYxp6pwMPJXLMsI0ii/2k3YPEJPv+yJf90MbYyQSbkTwZhrsokjQEaIfjrIk3 rQRjTve/J62WIO28IbY/mENuGgWehRlTAbhC4BLTZ5uYS0YMQCR7v9UGMWdNWXFyrOB6PjSu Trn9MsPoUc8qI72mVpxEXQDLlrd2ijEWm7Nrf52YMD7hL6rXXuis7R6zY8WnnBhW0uCfhajx q+KuARXC0sDLztcjaS3ayXonpoCPZep2Bd5xqE4Ln8/COCslP7E92W1uf1EcdXXIrx1acg21 H/0Z53okMykVs3a8tECPHIxnre2UxKdTbCEkjkR4V6JyplTS47oWMw3zyI7zkaadfzVFBxk2 lo/Tny+FX1Azea3Ce7oOnRUEZtWSsUidtIjmL8YUQFZYm+JUIgfRmSpMFq8JP4VH43GXpB/S OCrl+/xujzvoUBFV/cHKjEQYBxo+MaiQa1U54ykM2W4DnHb1UiEf5xDkFd4= Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On today's linux-next I get the following. Apr 12 11:36:03 zotac kernel: BUG: kernel NULL pointer dereference, address: 0000000000000018 Apr 12 11:36:03 zotac kernel: #PF: supervisor read access in kernel mode Apr 12 11:36:03 zotac kernel: #PF: error_code(0x0000) - not-present page Apr 12 11:36:03 zotac kernel: PGD 0 P4D 0 Apr 12 11:36:03 zotac kernel: Oops: Oops: 0000 [#1] PREEMPT SMP NOPTI Apr 12 11:36:03 zotac kernel: CPU: 1 PID: 219 Comm: systemd-network Not tainted 6.9.0-rc3-next-20240412+ #2 Apr 12 11:36:03 zotac kernel: Hardware name: Default string Default string/Default string, BIOS ADLN.M6.SODIMM.ZB.CY.015 08/08/2023 Apr 12 11:36:03 zotac kernel: RIP: 0010:__lock_acquire+0x5d/0x2550 Apr 12 11:36:03 zotac kernel: Code: 65 4c 8b 35 65 5d d1 7e 45 85 db 0f 84 bd 06 00 00 44 8b 15 f5 f8 14 01 45 89 c3 41 89 d7 45 89 c8 45 85 d2 0f 84 c5 02 00 00 <48> 81 3f 00 f3 8a 82 44 0f 44 d8 83 fe 01 0f 86 bd 02 00 00 31 d2 Apr 12 11:36:03 zotac kernel: RSP: 0018:ffff9ca180e6f498 EFLAGS: 00010002 Apr 12 11:36:03 zotac kernel: RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 Apr 12 11:36:03 zotac kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000018 Apr 12 11:36:03 zotac kernel: RBP: ffff9ca180e6f510 R08: 0000000000000000 R09: 0000000000000000 Apr 12 11:36:03 zotac kernel: R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001 Apr 12 11:36:03 zotac kernel: R13: 0000000000000000 R14: ffff98e7c5b38000 R15: 0000000000000000 Apr 12 11:36:03 zotac kernel: FS: 00007f7e7440e0c0(0000) GS:ffff98e937a80000(0000) knlGS:0000000000000000 Apr 12 11:36:03 zotac kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Apr 12 11:36:03 zotac kernel: CR2: 0000000000000018 CR3: 00000001027c0000 CR4: 0000000000750ef0 Apr 12 11:36:03 zotac kernel: PKRU: 55555554 Apr 12 11:36:03 zotac kernel: Call Trace: Apr 12 11:36:03 zotac kernel: Apr 12 11:36:03 zotac kernel: ? show_regs+0x5f/0x70 Apr 12 11:36:03 zotac kernel: ? __die+0x1f/0x70 Apr 12 11:36:03 zotac kernel: ? page_fault_oops+0x15a/0x450 Apr 12 11:36:03 zotac kernel: ? debug_smp_processor_id+0x17/0x20 Apr 12 11:36:03 zotac kernel: ? rcu_is_watching+0x11/0x50 Apr 12 11:36:03 zotac kernel: ? exc_page_fault+0x4cb/0x8d0 Apr 12 11:36:03 zotac kernel: ? asm_exc_page_fault+0x27/0x30 Apr 12 11:36:03 zotac kernel: ? __lock_acquire+0x5d/0x2550 Apr 12 11:36:03 zotac kernel: ? __lock_acquire+0x3f8/0x2550 Apr 12 11:36:03 zotac kernel: lock_acquire+0xc8/0x2f0 Apr 12 11:36:03 zotac kernel: ? phy_link_topo_add_phy+0x153/0x1a0 [libphy] Apr 12 11:36:03 zotac kernel: _raw_spin_lock+0x2d/0x40 Apr 12 11:36:03 zotac kernel: ? phy_link_topo_add_phy+0x153/0x1a0 [libphy] Apr 12 11:36:03 zotac kernel: phy_link_topo_add_phy+0x153/0x1a0 [libphy] Apr 12 11:36:03 zotac kernel: phy_attach_direct+0xcd/0x410 [libphy] Apr 12 11:36:03 zotac kernel: ? __pfx_r8169_phylink_handler+0x10/0x10 [r8169] Apr 12 11:36:03 zotac kernel: phy_connect_direct+0x21/0x70 [libphy] Apr 12 11:36:03 zotac kernel: rtl_open+0x30c/0x4f0 [r8169] Apr 12 11:36:03 zotac kernel: __dev_open+0xe8/0x1a0 Apr 12 11:36:03 zotac kernel: __dev_change_flags+0x1c5/0x240 Apr 12 11:36:03 zotac kernel: dev_change_flags+0x22/0x70 Apr 12 11:36:03 zotac kernel: do_setlink+0xe9f/0x1290 Apr 12 11:36:03 zotac kernel: ? __nla_validate_parse+0x60/0xce0 Apr 12 11:36:03 zotac kernel: rtnl_setlink+0xff/0x190 Apr 12 11:36:03 zotac kernel: ? __this_cpu_preempt_check+0x13/0x20 Apr 12 11:36:03 zotac kernel: rtnetlink_rcv_msg+0x16e/0x660 Apr 12 11:36:03 zotac kernel: ? __pfx_rtnetlink_rcv_msg+0x10/0x10 Apr 12 11:36:03 zotac kernel: netlink_rcv_skb+0x5a/0x110 Apr 12 11:36:03 zotac kernel: rtnetlink_rcv+0x10/0x20 Apr 12 11:36:03 zotac kernel: netlink_unicast+0x1a2/0x290 Apr 12 11:36:03 zotac kernel: netlink_sendmsg+0x1f9/0x420 Apr 12 11:36:03 zotac kernel: __sys_sendto+0x1d0/0x1e0 Apr 12 11:36:03 zotac kernel: ? __seccomp_filter+0x22e/0x3b0 Apr 12 11:36:03 zotac kernel: __x64_sys_sendto+0x1f/0x30 Apr 12 11:36:03 zotac kernel: do_syscall_64+0x6c/0x140 Apr 12 11:36:03 zotac kernel: entry_SYSCALL_64_after_hwframe+0x76/0x7e