Hi Chandrakanth,
There seems to be an issue from a call within the megaraid_sas driver
[ 1.004130] megaraid_sas 0000:07:00.0: requested/available msix 16/16
poll_queue 0
[ 1.004154] ------------[ cut here ]------------
[ 1.004162] UBSAN: array-index-out-of-bounds in
/home/ubuntu/build_dir/plucky/arch/x86/include/asm/topology.h:72:28
[ 1.004176] index -1 is out of range for type 'cpumask *[1024]'
....
megaraid_sas 0000:07:00.0: requested/available msix 16/16 poll_queue 0
[ 268.057954] ------------[ cut here ]------------
[ 268.057956] UBSAN: array-index-out-of-bounds in
/home/ubuntu/build_dir/plucky/arch/x86/include/asm/topology.h:72:28
[ 268.058027] index -1 is out of range for type 'cpumask *[1024]'
This is the offending line of code located at
plucky/arch/x86/include/asm/topology.h:72:28
69 /* Returns a pointer to the cpumask of CPUs on Node 'node'. */
70 static inline const struct cpumask *cpumask_of_node(int node)
71 {
72 return node_to_cpumask_map[node];
73 }
Are there any additional patches within megaraid_sas that addresses this issue
"UBSAN: array-index-out-of-bounds"?
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https://bugs.launchpad.net/bugs/2107492
Title:
[SRU][24.04.03]: megaraid_sas: Features and Bug Fixes
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