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[Bug string/21846] Null pointer dereference in strlen()
- From: "ldv at sourceware dot org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Thu, 27 Jul 2017 10:25:58 +0000
- Subject: [Bug string/21846] Null pointer dereference in strlen()
- Auto-submitted: auto-generated
- References: <bug-21846-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=21846
Dmitry V. Levin <ldv at sourceware dot org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
CC| |ldv at sourceware dot org
Resolution|--- |INVALID
--- Comment #1 from Dmitry V. Levin <ldv at sourceware dot org> ---
strlen(3) and strdup(3) operate with strings specified by pointer arguments.
Null pointer specifies no valid string, passing it to strdup(3) or strlen(3)
invokes an undefined behaviour.
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