Subject mm: fix UAF caused by race between ptdump and vmap pgtable freeing
Author ljs@kernel.org
Date 2026-07-10 10:49:18 +0000 UTC
Version
Cc akpm@linux-foundation.org catalin.marinas@arm.com david@kernel.org dev.jain@arm.com devnexen@gmail.com liam@infradead.org linux-arm-kernel@lists.infradead.org linux-kernel@vger.kernel.org linux-mm@kvack.org ljs@kernel.org mhocko@suse.com rppt@kernel.org ryan.roberts@arm.com shakeel.butt@linux.dev stable@vger.kernel.org surenb@google.com syzbot@syzkaller.appspotmail.com toshi.kani@hpe.com urezki@gmail.com vbabka@kernel.org will@kernel.org
Patches (2)
Name Content [All]
[PATCH 1/2] mm/vmalloc: acquire init_mm read lock on huge vmap promotion [Body]
[PATCH 2/2] Revert "arm64: Enable vmalloc-huge with ptdump" [Body]
Series Summary
Passed
✓ All tests passed. No findings.
Sessions
Session 2026-07-10
Passed
ID (for dev) eaa33a03-8034-490b-a08b-48e9ccaddf64
Status finished
Triaged OK [Log] [Trajectory]
Execution Log [Link]
Test Base Patched Verdict
[KASAN] Build Base a635d6748234582ea287c5ffeae28b9b23f91c7e [Config] passed [Log]
[KASAN] Boot test: Base a635d6748234582ea287c5ffeae28b9b23f91c7e [Config] passed [Log]
[KASAN] Build Patched a635d6748234582ea287c5ffeae28b9b23f91c7e [Config] [patched] passed [Log]
[KASAN] Boot test: Patched a635d6748234582ea287c5ffeae28b9b23f91c7e [Config] [patched] passed [Log]
[KASAN] Fuzz a635d6748234582ea287c5ffeae28b9b23f91c7e [Config] a635d6748234582ea287c5ffeae28b9b23f91c7e [Config] [patched] passed [Log] [Artifacts]