Kernel crash during Mellanox performance testing

Bug #2015097 reported by John Cabaj
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
Invalid
Undecided
Unassigned
Jammy
Fix Released
High
John Cabaj

Bug Description

[Impact]

* When performance testing using Mellanox driver, an early decrement within an if condition rather than as a result of an if condition is causing null pointer crashes.

[Fix]

* Clean cherry-pick from upstream (https://<email address hidden>/)
* Change landed v5.19 upstream, Kinetic onward not affected

[Test Case]

* Compile test
* Boot test
* Performance test

[Where things could go wrong]

* Regression risk is low, localized fix, purely fixes incorrect logic

CVE References

Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote : Missing required logs.

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 2015097

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status: New → Incomplete
John Cabaj (john-cabaj)
Changed in linux (Ubuntu Jammy):
status: New → In Progress
Changed in linux (Ubuntu):
status: Incomplete → In Progress
assignee: nobody → John Cabaj (john-cabaj)
Changed in linux (Ubuntu Jammy):
assignee: nobody → John Cabaj (john-cabaj)
Changed in linux (Ubuntu):
assignee: John Cabaj (john-cabaj) → nobody
description: updated
Stefan Bader (smb)
Changed in linux (Ubuntu Jammy):
importance: Undecided → High
Changed in linux (Ubuntu):
status: In Progress → Invalid
description: updated
Stefan Bader (smb)
Changed in linux (Ubuntu Jammy):
status: In Progress → Fix Committed
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote :

This bug is awaiting verification that the linux/5.15.0-72.79 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-jammy' to 'verification-done-jammy'. If the problem still exists, change the tag 'verification-needed-jammy' to 'verification-failed-jammy'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

tags: added: kernel-spammed-jammy-linux verification-needed-jammy
Revision history for this message
John Cabaj (john-cabaj) wrote :

Tested with 5.15.0-72.79:

[ Test Case ]
* Boot testing passed
* IBM tested functionality indirectly through derivative IBM kernel that got same patch

tags: added: verification-done-jammy
removed: verification-needed-jammy
Changed in linux (Ubuntu Jammy):
status: Fix Committed → Fix Released
status: Fix Released → Fix Committed
Revision history for this message
Launchpad Janitor (janitor) wrote :
Download full text (23.7 KiB)

This bug was fixed in the package linux - 5.15.0-72.79

---------------
linux (5.15.0-72.79) jammy; urgency=medium

  * jammy/linux: 5.15.0-72.79 -proposed tracker (LP: #2016548)

  * Add split lock detection for EMR (LP: #2015855)
    - x86/split_lock: Enumerate architectural split lock disable bit

  * selftest: fib_tests: Always cleanup before exit (LP: #2015956)
    - selftest: fib_tests: Always cleanup before exit

  * Add support for intel EMR cpu (LP: #2015372)
    - platform/x86: intel-uncore-freq: add Emerald Rapids support
    - perf/x86/intel/cstate: Add Emerald Rapids
    - perf/x86/rapl: Add support for Intel Emerald Rapids
    - intel_idle: add Emerald Rapids Xeon support
    - tools/power/x86/intel-speed-select: Add Emerald Rapid quirk
    - tools/power turbostat: Introduce support for EMR
    - powercap: intel_rapl: add support for Emerald Rapids
    - EDAC/i10nm: Add Intel Emerald Rapids server support

  * Kernel livepatch ftrace graph fix (LP: #2013603)
    - kprobes: treewide: Remove trampoline_address from
      kretprobe_trampoline_handler()
    - kprobes: treewide: Make it harder to refer kretprobe_trampoline directly
    - kprobes: Add kretprobe_find_ret_addr() for searching return address
    - s390/unwind: recover kretprobe modified return address in stacktrace
    - s390/unwind: fix fgraph return address recovery

  * Jammy update: v5.15.98 upstream stable release (LP: #2015600)
    - Linux 5.15.98

  * Jammy update: v5.15.97 upstream stable release (LP: #2015599)
    - ionic: refactor use of ionic_rx_fill()
    - Fix XFRM-I support for nested ESP tunnels
    - arm64: dts: rockchip: drop unused LED mode property from rk3328-roc-cc
    - ARM: dts: rockchip: add power-domains property to dp node on rk3288
    - HID: elecom: add support for TrackBall 056E:011C
    - ACPI: NFIT: fix a potential deadlock during NFIT teardown
    - btrfs: send: limit number of clones and allocated memory size
    - ASoC: rt715-sdca: fix clock stop prepare timeout issue
    - IB/hfi1: Assign npages earlier
    - neigh: make sure used and confirmed times are valid
    - HID: core: Fix deadloop in hid_apply_multiplier.
    - x86/cpu: Add Lunar Lake M
    - staging: mt7621-dts: change palmbus address to lower case
    - bpf: bpf_fib_lookup should not return neigh in NUD_FAILED state
    - net: Remove WARN_ON_ONCE(sk->sk_forward_alloc) from sk_stream_kill_queues().
    - vc_screen: don't clobber return value in vcs_read
    - scripts/tags.sh: Invoke 'realpath' via 'xargs'
    - scripts/tags.sh: fix incompatibility with PCRE2
    - usb: dwc3: pci: add support for the Intel Meteor Lake-M
    - USB: serial: option: add support for VW/Skoda "Carstick LTE"
    - usb: gadget: u_serial: Add null pointer check in gserial_resume
    - USB: core: Don't hold device lock while reading the "descriptors" sysfs file
    - Linux 5.15.97

  * Jammy update: v5.15.96 upstream stable release (LP: #2015595)
    - drm/etnaviv: don't truncate physical page address
    - wifi: rtl8xxxu: gen2: Turn on the rate control
    - drm/edid: Fix minimum bpc supported with DSC1.2 for HDMI sink
    - clk: mxl: Switch from direct readl/writel based IO to regmap based IO
    - ...

Changed in linux (Ubuntu Jammy):
status: Fix Committed → Fix Released
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote :

This bug is awaiting verification that the linux-riscv-5.15/5.15.0-1034.38~20.04.1 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-focal' to 'verification-done-focal'. If the problem still exists, change the tag 'verification-needed-focal' to 'verification-failed-focal'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

tags: added: kernel-spammed-focal-linux-riscv-5.15 verification-needed-focal
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote :

This bug is awaiting verification that the linux-intel-iotg/5.15.0-1031.36 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-jammy' to 'verification-done-jammy'. If the problem still exists, change the tag 'verification-needed-jammy' to 'verification-failed-jammy'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

tags: added: kernel-spammed-jammy-linux-intel-iotg verification-needed-jammy
removed: verification-done-jammy
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote :

This bug is awaiting verification that the linux-aws/5.15.0-1038.43 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-jammy' to 'verification-done-jammy'. If the problem still exists, change the tag 'verification-needed-jammy' to 'verification-failed-jammy'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

tags: added: kernel-spammed-jammy-linux-aws
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote :

This bug is awaiting verification that the linux-azure/5.15.0-1040.47 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-jammy' to 'verification-done-jammy'. If the problem still exists, change the tag 'verification-needed-jammy' to 'verification-failed-jammy'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

tags: added: kernel-spammed-jammy-linux-azure
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote :

This bug is awaiting verification that the linux-aws-5.15/5.15.0-1046.51~20.04.1 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-focal-linux-aws-5.15' to 'verification-done-focal-linux-aws-5.15'. If the problem still exists, change the tag 'verification-needed-focal-linux-aws-5.15' to 'verification-failed-focal-linux-aws-5.15'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

tags: added: kernel-spammed-focal-linux-aws-5.15-v2 verification-needed-focal-linux-aws-5.15
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote :

This bug is awaiting verification that the linux-mtk/5.15.0-1030.34 kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed-jammy-linux-mtk' to 'verification-done-jammy-linux-mtk'. If the problem still exists, change the tag 'verification-needed-jammy-linux-mtk' to 'verification-failed-jammy-linux-mtk'.

If verification is not done by 5 working days from today, this fix will be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Thank you!

tags: added: kernel-spammed-jammy-linux-mtk-v2 verification-needed-jammy-linux-mtk
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