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You might be thinking of this old linux kernel bug where a gcc optimization that deleted null pointer checks resulted in a vulnerability https://access.redhat.c
by krussell 7y ago
You might be thinking of this old linux kernel bug where a gcc optimization that deleted null pointer checks resulted in a vulnerability https://access.redhat.com/security/cve/CVE-2009-1897 https://access.redhat.com/security/cve/CVE-2009-1897 . There's a more interesting write up of the bug and patch at https://lwn.net/Articles/342330/ https://lwn.net/Articles/342330/ .