Syzbot CI

Subject	mm: change behavior of pXdp_get()/pXd_page() in compile-time folded pgtable
Author	yeoreum.yun@arm.com
Date	2026-09-21 10:55:23 +0000 UTC
Version
Cc	akpm@linux-foundation.org alex@ghiti.fr anup@brainfault.org aou@eecs.berkeley.edu arnd@arndb.de atish.patra@linux.dev axelrasmussen@google.com baohua@kernel.org bp@alien8.de catalin.marinas@arm.com chenhuacai@kernel.org dave.hansen@linux.intel.com david@kernel.org hannes@cmpxchg.org hpa@zytor.com jonas@southpole.se kasong@tencent.com kernel@xen0n.name kvm-riscv@lists.infradead.org kvm@vger.kernel.org liam@infradead.org linux-arch@vger.kernel.org linux-arm-kernel@lists.infradead.org linux-kernel@vger.kernel.org linux-mips@vger.kernel.org linux-mm@kvack.org linux-openrisc@vger.kernel.org linux-riscv@lists.infradead.org linux@armlinux.org.uk ljs@kernel.org loongarch@lists.linux.dev luto@kernel.org maobibo@loongson.cn mhocko@kernel.org mhocko@suse.com mingo@redhat.com palmer@dabbelt.com peterz@infradead.org pjw@kernel.org qi.zheng@linux.dev rppt@kernel.org shakeel.butt@linux.dev shorne@gmail.com sohil.mehta@intel.com stefan.kristiansson@saunalahti.fi surenb@google.com tglx@kernel.org tsbogend@alpha.franken.de usama.anjum@arm.com vbabka@kernel.org weixugc@google.com will@kernel.org

Subject

mm: change behavior of pXdp_get()/pXd_page() in compile-time folded pgtable

Author

yeoreum.yun@arm.com

Date

2026-09-21 10:55:23 +0000 UTC

Version

akpm@linux-foundation.org alex@ghiti.fr anup@brainfault.org aou@eecs.berkeley.edu arnd@arndb.de atish.patra@linux.dev axelrasmussen@google.com baohua@kernel.org bp@alien8.de catalin.marinas@arm.com chenhuacai@kernel.org dave.hansen@linux.intel.com david@kernel.org hannes@cmpxchg.org hpa@zytor.com jonas@southpole.se kasong@tencent.com kernel@xen0n.name kvm-riscv@lists.infradead.org kvm@vger.kernel.org liam@infradead.org linux-arch@vger.kernel.org linux-arm-kernel@lists.infradead.org linux-kernel@vger.kernel.org linux-mips@vger.kernel.org linux-mm@kvack.org linux-openrisc@vger.kernel.org linux-riscv@lists.infradead.org linux@armlinux.org.uk ljs@kernel.org loongarch@lists.linux.dev luto@kernel.org maobibo@loongson.cn mhocko@kernel.org mhocko@suse.com mingo@redhat.com palmer@dabbelt.com peterz@infradead.org pjw@kernel.org qi.zheng@linux.dev rppt@kernel.org shakeel.butt@linux.dev shorne@gmail.com sohil.mehta@intel.com stefan.kristiansson@saunalahti.fi surenb@google.com tglx@kernel.org tsbogend@alpha.franken.de usama.anjum@arm.com vbabka@kernel.org weixugc@google.com will@kernel.org

Name	Content [All]
[PATCH 01/21] ARM: mm: make nommu pgd_t a scalar	[Body]
[PATCH 02/21] ARM: mm: make 2-level pgd_t a scalar	[Body]
[PATCH 03/21] ARM: mm: remove custom pgdp_get()	[Body]
[PATCH 04/21] LoongArch: mm: define pud_leaf() only when PUD exists	[Body]
[PATCH 05/21] MIPS: mm: define pud_leaf() only when PUD exists	[Body]
[PATCH 06/21] mm/pgtable: define (pgd\|p4d\|pud)_leaf() for folded page tables	[Body]
[PATCH 07/21] mm/pgtable: define (pgd\|p4d\|pud)_offset_lockless() for folded page tables	[Body]
[PATCH 08/21] mm: vmscan: remove stack copy address of pud/pmd pass in walk_pud/pmd_range()	[Body]
[PATCH 09/21] loongarch: kvm: remove stack copy address of pXd in pXd_offset()	[Body]
[PATCH 10/21] riscv: kvm: remove stack copy address of pXd in pXd_offset()	[Body]
[PATCH 11/21] riscv: mm: use proper set_pXd() for generic compile-time folded patable in vmalloc_fault()	[Body]
[PATCH 12/21] mm/pgtable: redefine PGTABLE_LEVEL enum with ascend order from PGD	[Body]
[PATCH 13/21] x86/mm: Introduce helper for checking direct map 1G page support	[Body]
[PATCH 14/21] x86: mm: use pgtable_level enum in effective_prot_pXd()	[Body]
[PATCH 15/21] x86: mm: carve out the generic compile-time folded pgtable case in effective_prot()	[Body]
[PATCH 16/21] openrisc/pgtable: drop __pmd_offset()	[Body]
[PATCH 17/21] mm/pgtable: optimize pmdp_get() and friends for folded pagetable levels	[Body]
[PATCH 18/21] mm/pgtable: catch abuse of folded dummy pgd_t/p4d_t/pud_t	[Body]
[PATCH 19/21] mm/pgtable: disallow calling (pgd\|p4d\|pud)_page, pgd_page_vaddr() and (p4d\|pud)_pgtable with dummy	[Body]
[PATCH 20/21] mm/pgtable: disallow calling folded set_pgd/set_p4d/set_pud with dummy	[Body]
[PATCH 21/21] Documentation: mm: clarify behaviour of compile-time folded page tables	[Body]

Name

Content [All]

[PATCH 01/21] ARM: mm: make nommu pgd_t a scalar

[PATCH 02/21] ARM: mm: make 2-level pgd_t a scalar

[PATCH 03/21] ARM: mm: remove custom pgdp_get()

[PATCH 04/21] LoongArch: mm: define pud_leaf() only when PUD exists

[PATCH 05/21] MIPS: mm: define pud_leaf() only when PUD exists

[PATCH 06/21] mm/pgtable: define (pgd|p4d|pud)_leaf() for folded page tables

[PATCH 07/21] mm/pgtable: define (pgd|p4d|pud)_offset_lockless() for folded page tables

[PATCH 08/21] mm: vmscan: remove stack copy address of pud/pmd pass in walk_pud/pmd_range()

[PATCH 09/21] loongarch: kvm: remove stack copy address of pXd in pXd_offset()

[PATCH 10/21] riscv: kvm: remove stack copy address of pXd in pXd_offset()

[PATCH 11/21] riscv: mm: use proper set_pXd() for generic compile-time folded patable in vmalloc_fault()

[PATCH 12/21] mm/pgtable: redefine PGTABLE_LEVEL enum with ascend order from PGD

[PATCH 13/21] x86/mm: Introduce helper for checking direct map 1G page support

[PATCH 14/21] x86: mm: use pgtable_level enum in effective_prot_pXd()

[PATCH 15/21] x86: mm: carve out the generic compile-time folded pgtable case in effective_prot()

[PATCH 16/21] openrisc/pgtable: drop __pmd_offset()

[PATCH 17/21] mm/pgtable: optimize pmdp_get() and friends for folded pagetable levels

[PATCH 18/21] mm/pgtable: catch abuse of folded dummy pgd_t/p4d_t/pud_t

[PATCH 19/21] mm/pgtable: disallow calling (pgd|p4d|pud)_page, pgd_page_vaddr() and (p4d|pud)_pgtable with dummy

[PATCH 20/21] mm/pgtable: disallow calling folded set_pgd/set_p4d/set_pud with dummy

[PATCH 21/21] Documentation: mm: clarify behaviour of compile-time folded page tables

Session 2026-09-21

Passed

ID (for dev)	24dcc234-65c2-47a2-a39e-f8f7c3406b00
Status	finished
Triaged	OK [Log] [Trajectory]
Execution Log	[Link]

Test	Base	Patched	Verdict
[KASAN] Build Base	6b064eeaac295ac90e5aaefd09bc7aeae6adfe33 [Config]		passed [Log]
[KASAN] Boot test: Base	6b064eeaac295ac90e5aaefd09bc7aeae6adfe33 [Config]		passed [Log]
[KASAN] Build Patched		6b064eeaac295ac90e5aaefd09bc7aeae6adfe33 [Config] [patched]	passed [Log]
[KASAN] Boot test: Patched		6b064eeaac295ac90e5aaefd09bc7aeae6adfe33 [Config] [patched]	passed [Log]
[KASAN] Fuzz	6b064eeaac295ac90e5aaefd09bc7aeae6adfe33 [Config]	6b064eeaac295ac90e5aaefd09bc7aeae6adfe33 [Config] [patched]	passed [Log] [Artifacts]

Patches (21)

Series Summary

Sessions

Session 2026-09-21