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| author | Alexander Antonov <[email protected]> | 2023-11-27 18:52:45 +0000 |
|---|---|---|
| committer | Peter Zijlstra <[email protected]> | 2023-11-30 13:29:52 +0000 |
| commit | 1692cf434ba13ee212495b5af795b6a07e986ce4 (patch) | |
| tree | b251ee35f2aae0f02715997111b550d8f158a2c6 /lib/string.c | |
| parent | perf/x86/amd: Reject branch stack for IBS events (diff) | |
| download | kernel-1692cf434ba13ee212495b5af795b6a07e986ce4.tar.gz kernel-1692cf434ba13ee212495b5af795b6a07e986ce4.zip | |
perf/x86/intel/uncore: Fix NULL pointer dereference issue in upi_fill_topology()
Get logical socket id instead of physical id in discover_upi_topology()
to avoid out-of-bound access on 'upi = &type->topology[nid][idx];' line
that leads to NULL pointer dereference in upi_fill_topology()
Fixes: f680b6e6062e ("perf/x86/intel/uncore: Enable UPI topology discovery for Icelake Server")
Reported-by: Kyle Meyer <[email protected]>
Signed-off-by: Alexander Antonov <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Reviewed-by: Kan Liang <[email protected]>
Tested-by: Kyle Meyer <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'lib/string.c')
0 files changed, 0 insertions, 0 deletions