** Changed in: linux (Ubuntu Jammy)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1958006
Title:
multiple UBSAN warnings in Intel IPU6
SRU v7: https://lists.ubuntu.com/archives/kernel-
team/2022-May/130591.html (jammy)
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Title:
multiple UBSAN warnings in Intel IPU6
SRU v6: https://lists.ubuntu.com/archives/kernel-
team/2022-May/130562.html (jammy)
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Title:
multiple UBSAN warnings in Intel IPU6
Was reverted in 5.15.0-29.30.
** Changed in: linux (Ubuntu Jammy)
Status: Fix Committed => In Progress
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Title:
multiple
Verified by rebasing reverted commits to them.
** Changed in: linux (Ubuntu)
Status: In Progress => Invalid
** Changed in: linux (Ubuntu Jammy)
Assignee: (unassigned) => You-Sheng Yang (vicamo)
** Tags removed: verification-needed-focal verification-needed-jammy
** Tags added:
This bug is awaiting verification that the linux-
hwe-5.15/5.15.0-32.33~20.04.1 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
This bug is awaiting verification that the linux/5.15.0-28.29 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
** Also affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Jammy)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Jammy)
Status: New => Fix Committed
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SRU: https://lists.ubuntu.com/archives/kernel-
team/2022-April/129330.html (jammy)
** Description changed:
+ [SRU Justfication]
+
+ [Impact]
+
+ Several UBSAN warnings captured on Intel IPU6 camera equipped platforms
+ running 5.15+ kernels.
+
+ [Fix]
+
+ Upstream fix commit 8dcb7d8df28f
Upstream fix in
https://github.com/intel/ipu6-drivers/commit/8dcb7d8df28fd311a72f3d996b02231e38aac8a7
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Title:
multiple UBSAN
[ 52.051195] UBSAN: shift-out-of-bounds in
/tmp/kernel-vicamo-8789bd62d725-b752/build/drivers/media/pci/intel/ipu6/ipu-resources.c:654:19
[ 52.051199] shift exponent 34 is too large for 32-bit type 'unsigned int'
https://git.launchpad.net/~vicamo/+git/ubuntu-
[ 52.050620] UBSAN: array-index-out-of-bounds in
/tmp/kernel-vicamo-8789bd62d725-b752/build/drivers/media/pci/intel/ipu6/ipu-resources.c:633:30
[ 52.050631] index -1 is out of range for type 'ipu_resource_alloc [128]'
https://git.launchpad.net/~vicamo/+git/ubuntu-
[ 52.050926] UBSAN: shift-out-of-bounds in
/tmp/kernel-vicamo-8789bd62d725-b752/build/drivers/media/pci/intel/ipu6/ipu-resources.c:652:15
[ 52.050932] shift exponent 34 is too large for 32-bit type 'unsigned int'
https://git.launchpad.net/~vicamo/+git/ubuntu-
[ 51.469490] UBSAN: invalid-load in
/tmp/kernel-vicamo-8789bd62d725-b752/build/include/linux/dma-buf-map.h:224:9
[ 51.469494] load of value 2 is not a valid value for type '_Bool'
https://git.launchpad.net/~vicamo/+git/ubuntu-
kernel/tree/drivers/media/pci/intel/ipu-
PPA for testing:
https://launchpad.net/~vicamo/+archive/ubuntu/ppa-1955383
Prebuilt kernel tree used:
https://git.launchpad.net/~vicamo/+git/ubuntu-
kernel/commit/?id=1648371a4229949b4ded06a6387332dd5008540d
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