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Groups > linux.debian.kernel > #87797

Bug#1106411: kernel NULL pointer dereference in bmc150_accel_core / RIP: 0010:bmc150_accel_set_interrupt+0x68/0x120 [bmc150_accel_core]

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From Kim Alvefur <zash@zash.se>
Newsgroups linux.debian.bugs.dist, linux.kernel, linux.debian.kernel
Subject Bug#1106411: kernel NULL pointer dereference in bmc150_accel_core / RIP: 0010:bmc150_accel_set_interrupt+0x68/0x120 [bmc150_accel_core]
Date Sun, 01 Jun 2025 00:10:01 +0200
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X-Original-To Salvatore Bonaccorso <carnil@debian.org>
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X-Original-Cc 1106411@bugs.debian.org, Stephan Gerhold <stephan@gerhold.net>, Jonathan Cameron <jic23@kernel.org>, Lars-Peter Clausen <lars@metafoo.de>, linux-iio@vger.kernel.org, Andy Shevchenko <andy.shevchenko@gmail.com>, Peter Zijlstra <peterz@infradead.org>, linux-kernel@vger.kernel.org
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Cross-posted to 3 groups.

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On Sat, May 31, 2025 at 09:34:03PM +0200, Salvatore Bonaccorso wrote:
>On Fri, May 30, 2025 at 07:42:12PM +0200, Kim Alvefur wrote:
>> So far it seems to happen on every boot, between unlocking LUKS and the
>> login manager starting.
>>
>> I wonder if this is related to another symptom this machine has, where
>> it fails to complete suspend and goes into a state where the only action
>> that has any effect is a long-press of the power button to turn it off.
>
>Looking through the boot log I'm noticing the following:
>
>> May 30 19:21:47 spisula kernel: bmc150_accel_i2c i2c-BOSC0200:00: supply vdd not found, using dummy regulator
>> May 30 19:21:47 spisula kernel: bmc150_accel_i2c i2c-BOSC0200:00: supply vddio not found, using dummy regulator
>[...]
>> May 30 19:21:47 spisula kernel: bmc150_accel_i2c i2c-BOSC0200:base: supply vdd not found, using dummy regulator
>> May 30 19:21:47 spisula kernel: bmc150_accel_i2c i2c-BOSC0200:base: supply vddio not found, using dummy regulator
>
>and iio-sensor-proxy might fail to handle then the bosch 0200
>accelerometer. You proobably cannot temporary purge the
>iio-sensor-proxy if installed by reverse dependencies, but might you
>try to temporarily mask the service and retest a boot?

That seems to have an effect, no "BUG: ..." in dmesg now, and the
machine made it trough a suspends and resume cycle.

-- 
Kim "Zash" Alvefur

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Thread

Bug#1106411: linux-image-6.12.27-amd64: kernel NULL pointer dereference in bmc150_accel_core Kim Alvefur <zash@zash.se> - 2025-05-24 17:00 +0200
  Processed: Re: Bug#1106411: linux-image-6.12.27-amd64: kernel  NULL pointer dereference in bmc150_accel_core "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-05-25 17:00 +0200
  Bug#1106411: linux-image-6.12.27-amd64: kernel NULL pointer dereference in bmc150_accel_core Salvatore Bonaccorso <carnil@debian.org> - 2025-05-25 17:00 +0200
  Bug#1106411: linux-image-6.12.27-amd64: kernel NULL pointer dereference in bmc150_accel_core Salvatore Bonaccorso <carnil@debian.org> - 2025-05-31 21:00 +0200
  Processed: Re: Bug#1106411: linux-image-6.12.27-amd64: kernel  NULL pointer dereference in bmc150_accel_core "Debian Bug Tracking System" <owner@bugs.debian.org> - 2025-05-31 21:00 +0200
  Bug#1106411: kernel NULL pointer dereference in bmc150_accel_core / RIP: 0010:bmc150_accel_set_interrupt+0x68/0x120 [bmc150_accel_core] Kim Alvefur <zash@zash.se> - 2025-06-01 00:10 +0200
    Bug#1106411: kernel NULL pointer dereference in bmc150_accel_core / RIP: 0010:bmc150_accel_set_interrupt+0x68/0x120 [bmc150_accel_core] Salvatore Bonaccorso <carnil@debian.org> - 2025-07-17 23:20 +0200
  Bug#1106411: linux-image-6.12.27-amd64: kernel NULL pointer dereference in bmc150_accel_core Salvatore Bonaccorso <carnil@debian.org> - 2025-06-04 09:40 +0200
    Bug#1106411: linux-image-6.12.27-amd64: kernel NULL pointer dereference in bmc150_accel_core Kim Alvefur <zash@zash.se> - 2025-06-04 13:10 +0200

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