From: bugzilla-daemon@kernel.org
To: linux-iio@vger.kernel.org
Subject: [Bug 220772] NULL pointer dereference in bmc150-accel-core
Date: Wed, 12 Nov 2025 01:46:52 +0000 [thread overview]
Message-ID: <bug-220772-217253-hKYWpHfSlh@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-220772-217253@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=220772
--- Comment #3 from Vitaliy Tomin (highwaystar.ru@gmail.com) ---
(In reply to Jonathan Cameron from comment #2)
> On Sun, 09 Nov 2025 19:59:38 +0000
> bugzilla-daemon@kernel.org wrote:
> Could you share the names of the triggers under
> /sys/bus/iio/devices/trigger*/name
> and
> cat /proc/interrupts
>
> Maybe the tooling is using an hrtimer or sysfs trigger but the
> driver seems to have a validate_trigger callback that should prevent that
> so I think we need a little more information.
>
> Thanks
>
> Jonathan
There is no such files here:
tomin@fedora:~$ ls /sys/bus/iio/devices/trigger*/name
ls: cannot access '/sys/bus/iio/devices/trigger*/name': No such file or
directory
tomin@fedora:~$ ls /sys/bus/iio/devices/iio\:device*/
'/sys/bus/iio/devices/iio:device0/':
buffer events in_accel_x_raw
in_temp_offset name subsystem
buffer0 firmware_node in_accel_y_raw
in_temp_raw power trigger
current_timestamp_clock in_accel_sampling_frequency in_accel_z_raw
in_temp_scale sampling_frequency_available uevent
dev in_accel_scale in_mount_matrix label
scan_elements waiting_for_supplier
'/sys/bus/iio/devices/iio:device1/':
buffer events in_accel_x_raw
in_temp_offset name subsystem
buffer0 firmware_node in_accel_y_raw
in_temp_raw power trigger
current_timestamp_clock in_accel_sampling_frequency in_accel_z_raw
in_temp_scale sampling_frequency_available uevent
dev in_accel_scale in_mount_matrix label
scan_elements waiting_for_supplier
tomin@fedora:~$ ls /sys/bus/iio/devices/iio\:device*/trigger
'/sys/bus/iio/devices/iio:device0/trigger':
current_trigger
'/sys/bus/iio/devices/iio:device1/trigger':
current_trigger
tomin@fedora:~$ cat /proc/interrupts
CPU0 CPU1 CPU2 CPU3
1: 0 0 72 0 IR-IO-APIC 1-edge
i8042
8: 0 0 0 0 IR-IO-APIC 8-edge
rtc0
9: 10041 0 0 0 IR-IO-APIC 9-fasteoi
acpi
12: 0 6 0 0 IR-IO-APIC 12-edge
i8042
14: 8 0 0 0 IR-IO-APIC 14-fasteoi
INTC1057:00
16: 56 0 0 0 IR-IO-APIC 16-fasteoi
mmc0, i801_smbus
27: 0 0 5167 0 IR-IO-APIC 27-fasteoi
i2c_designware.1, idma64.1
29: 236 0 0 0 IR-IO-APIC 29-fasteoi
i2c_designware.3, idma64.3
31: 0 0 0 0 IR-IO-APIC 31-fasteoi
i2c_designware.5, idma64.5
32: 0 0 0 0 IR-IO-APIC 32-fasteoi
i2c_designware.6, idma64.6
33: 0 4921 0 0 IR-IO-APIC 33-fasteoi
i2c_designware.4, idma64.4
39: 0 0 0 0 IR-IO-APIC 39-fasteoi
pxa2xx-spi.0, idma64.0
40: 0 0 0 0 IR-IO-APIC 40-fasteoi
i2c_designware.2, idma64.2
120: 0 1 0 0 IR-PCI-MSI-0000:00:1d.0
0-edge aerdrv, PCIe bwctrl
121: 9054 0 0 0 IR-PCI-MSI-0000:00:14.0
0-edge xhci_hcd
126: 10 4 0 30 IR-PCI-MSIX-0000:01:00.0
0-edge nvme0q0
127: 7450 0 0 0 IR-PCI-MSIX-0000:01:00.0
1-edge nvme0q1
128: 0 5690 0 0 IR-PCI-MSIX-0000:01:00.0
2-edge nvme0q2
129: 0 0 5152 0 IR-PCI-MSIX-0000:01:00.0
3-edge nvme0q3
130: 0 0 0 6240 IR-PCI-MSIX-0000:01:00.0
4-edge nvme0q4
131: 0 10732 10690 1008 IR-PCI-MSI-0000:00:02.0
0-edge i915
132: 8 0 0 0 intel-gpio 306 GDIX1001:00
133: 0 49 0 0 IR-PCI-MSI-0000:00:16.0
0-edge mei_me
134: 883 1015 400 779 IR-PCI-MSIX-0000:00:14.3
0-edge iwlwifi:default_queue
135: 46 59 35 4 IR-PCI-MSIX-0000:00:14.3
1-edge iwlwifi:queue_1
136: 5 68 1 17 IR-PCI-MSIX-0000:00:14.3
2-edge iwlwifi:queue_2
137: 20 30 25 35 IR-PCI-MSIX-0000:00:14.3
3-edge iwlwifi:queue_3
138: 21 123 114 269 IR-PCI-MSIX-0000:00:14.3
4-edge iwlwifi:queue_4
139: 0 0 0 5 IR-PCI-MSIX-0000:00:14.3
5-edge iwlwifi:exception
140: 1213 0 0 0 IR-PCI-MSI-0000:00:1f.3
0-edge snd_hda_intel:card1
NMI: 8 8 9 8 Non-maskable interrupts
LOC: 87542 86732 94323 81275 Local timer interrupts
SPU: 0 0 0 0 Spurious interrupts
PMI: 8 8 9 8 Performance monitoring
interrupts
IWI: 2334 10486 9187 2892 IRQ work interrupts
RTR: 0 0 0 0 APIC ICR read retries
RES: 1781 1199 1600 3146 Rescheduling interrupts
CAL: 23231 22621 16364 21816 Function call interrupts
TLB: 1208 1127 1072 1304 TLB shootdowns
TRM: 680 680 680 680 Thermal event interrupts
THR: 0 0 0 0 Threshold APIC interrupts
DFR: 0 0 0 0 Deferred Error APIC
interrupts
MCE: 0 0 0 0 Machine check exceptions
MCP: 3 4 4 4 Machine check polls
ERR: 0
MIS: 0
PIN: 0 0 0 0 Posted-interrupt
notification event
NPI: 0 0 0 0 Nested posted-interrupt
event
PIW: 0 0 0 0 Posted-interrupt wakeup
event
PMN: 0 0 0 0 Posted MSI notification
event
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next prev parent reply other threads:[~2025-11-12 1:46 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-09 17:07 [Bug 220772] New: NULL pointer dereference in bmc150-accel-core bugzilla-daemon
2025-11-09 19:59 ` [Bug 220772] " bugzilla-daemon
2025-11-11 20:09 ` Jonathan Cameron
2025-11-11 20:09 ` bugzilla-daemon
2025-11-12 1:46 ` bugzilla-daemon [this message]
2025-11-15 18:25 ` Jonathan Cameron
2025-11-15 18:25 ` bugzilla-daemon
2025-11-16 12:05 ` bugzilla-daemon
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