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Message-ID: <20241007013404.46f185e9@yea>
Date: Mon, 7 Oct 2024 01:34:04 +0200
From: Erhard Furtner <erhard_f@...lbox.org>
To: netdev@...r.kernel.org
Cc: linuxppc-dev@...ts.ozlabs.org
Subject: BUG: KMSAN: use-after-free in napi_consume_skb+0x22d/0x2c0
(netconsole, r8169, kernel 6.11.2)
Greetings!
I am getting this most of the time when booting a KMSAN-enabled kernel when netconsole is in use:
[...]
r8169 0000:05:00.0: Unable to load firmware rtl_nic/rtl8168h-2.fw (-2)
=====================================================
BUG: KMSAN: uninit-value in bcmp+0x8e/0x140
Uninit was stored to memory at:
Local variable vendor_guid created at:
efivar_init+0x77/0x1010 [efivarfs]
CPU: 18 UID: 0 PID: 1 Comm: systemd Tainted: G B 6.11.2-Zen3 #19
Tainted: [B]=BAD_PAGE
Hardware name: To Be Filled By O.E.M. B550M Pro4/B550M Pro4, BIOS P3.40 01/18/2024
=====================================================
=====================================================
BUG: KMSAN: use-after-free in napi_consume_skb+0x22d/0x2c0
Uninit was created at:
CPU: 14 UID: 0 PID: 0 Comm: swapper/14 Tainted: G B 6.11.2-Zen3 #19
Tainted: [B]=BAD_PAGE
Hardware name: To Be Filled By O.E.M. B550M Pro4/B550M Pro4, BIOS P3.40 01/18/2024
=====================================================
=====================================================
BUG: KMSAN: uninit-value in bcmp+0x8e/0x140
Uninit was stored to memory at:
Uninit was stored to memory at:
Uninit was stored to memory at:
Local variable vendor_guid created at:
efivar_init+0x77/0x1010 [efivarfs]
CPU: 18 UID: 0 PID: 1 Comm: systemd Tainted: G B 6.11.2-Zen3 #19
Tainted: [B]=BAD_PAGE
Hardware name: To Be Filled By O.E.M. B550M Pro4/B550M Pro4, BIOS P3.40 01/18/2024
=====================================================
=====================================================
BUG: KMSAN: use-after-free in napi_consume_skb+0x242/0x2c0
Uninit was created at:
CPU: 14 UID: 0 PID: 0 Comm: swapper/14 Tainted: G B 6.11.2-Zen3 #19
Tainted: [B]=BAD_PAGE
Hardware name: To Be Filled By O.E.M. B550M Pro4/B550M Pro4, BIOS P3.40 01/18/2024
=====================================================
=====================================================
BUG: KMSAN: uninit-value in bcmp+0xf7/0x140
[...]
At least I guess this is connected to netconsole as it happens rather early at bootup and the machine does not finish booting, so I can neither login via ssh nor via keyboard.
The system is a Ryzen 5950X running on an ASRock B550M Pro4, 32 GB RAM, Radeon RX 6700, NVMe SSD. Network card in use is:
# lspci -v -s 05:00.0
05:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet Controller (rev 15)
Subsystem: ASRock Incorporation Motherboard (one of many) Flags: bus master,
fast devsel, latency 0, IRQ 33, IOMMU group 0 I/O ports at d000 [size=256]
Memory at fcc04000 (64-bit, non-prefetchable) [size=4K]
Memory at fcc00000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Endpoint, IntMsgNum 1
Capabilities: [b0] MSI-X: Enable+ Count=4 Masked-
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Virtual Channel
Capabilities: [160] Device Serial Number f9-95-22-00-6b-9c-00-00
Capabilities: [170] Latency Tolerance Reporting
Capabilities: [178] L1 PM Substates
Kernel driver in use: r8169
dmesg (via netconsole) and kernel .config attached.
Regards,
Erhard
Download attachment "dmesg_6112_zen3_01" of type "application/octet-stream" (58254 bytes)
Download attachment "config_6112_zen3-van" of type "application/octet-stream" (126167 bytes)
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