Subject slab: ZERO_SIZE_PTR alignment and ERR_PTR hardening
Author kmehltretter@gmail.com
Date 2026-09-03 20:37:16 +0000 UTC
Version
Cc akpm@linux-foundation.org arnd@arndb.de catalin.marinas@arm.com cl@gentwo.org gregkh@linuxfoundation.org gustavoars@kernel.org hao.li@linux.dev harry@kernel.org justinstitt@google.com kees@kernel.org kmehltretter@gmail.com linux-hardening@vger.kernel.org linux-kernel@vger.kernel.org linux-kselftest@vger.kernel.org linux-mm@kvack.org linux@rasmusvillemoes.dk llvm@lists.linux.dev morbo@google.com nathan@kernel.org ndesaulniers@google.com rientjes@google.com roman.gushchin@linux.dev shuah@kernel.org vbabka@kernel.org
Patches (5)
Name Content [All]
[PATCH v3 1/5] slab: align ZERO_SIZE_PTR to ARCH_KMALLOC_MINALIGN [Body]
[PATCH v3 2/5] slab: check for ZERO_SIZE_PTR by exact match [Body]
[PATCH v3 3/5] slab: handle ERR_PTR values in kfree and hardened usercopy [Body]
[PATCH v3 4/5] slab: test zero-size allocations in slub_kunit [Body]
[PATCH v3 5/5] slab: test ERR_PTR handling in kfree and hardened usercopy [Body]
Series Summary
Passed
✓ All tests passed. No findings.
Sessions
Session 2026-09-03
Passed
ID (for dev) 534c24e3-f5d1-47d9-b3d3-7bcccc17b34a
Status finished
Triaged OK [Log] [Trajectory]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base 940de590b839f71d6dc846160534bf202401b8b7 [Config] passed [Log]
[KASAN] Boot test: Base 940de590b839f71d6dc846160534bf202401b8b7 [Config] passed [Log]
[KASAN] Build Patched 940de590b839f71d6dc846160534bf202401b8b7 [Config] [patched] passed [Log]
[KASAN] Boot test: Patched 940de590b839f71d6dc846160534bf202401b8b7 [Config] [patched] passed [Log]
[KASAN] Fuzz 940de590b839f71d6dc846160534bf202401b8b7 [Config] 940de590b839f71d6dc846160534bf202401b8b7 [Config] [patched] passed [Log] [Artifacts]