git: 83a49712afa2 - main - kstack_contains(): account for struct pcb on stack
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Date: Wed, 01 Feb 2023 23:41:36 UTC
The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=83a49712afa276b7f320e0dd669c8dfd33f9a5ac commit 83a49712afa276b7f320e0dd669c8dfd33f9a5ac Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2023-01-31 23:49:54 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2023-02-01 22:59:27 +0000 kstack_contains(): account for struct pcb on stack for arm64, arm, powerpc, and riscv Reviewed by: jhb Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D38320 --- sys/arm/include/stack.h | 3 ++- sys/arm64/include/stack.h | 3 ++- sys/powerpc/include/stack.h | 3 ++- sys/riscv/include/stack.h | 3 ++- 4 files changed, 8 insertions(+), 4 deletions(-) diff --git a/sys/arm/include/stack.h b/sys/arm/include/stack.h index e8d130517be5..748ef35a444e 100644 --- a/sys/arm/include/stack.h +++ b/sys/arm/include/stack.h @@ -78,7 +78,8 @@ static __inline bool kstack_contains(struct thread *td, vm_offset_t va, size_t len) { return (va >= td->td_kstack && va + len >= va && - va + len <= td->td_kstack + td->td_kstack_pages * PAGE_SIZE); + va + len <= td->td_kstack + td->td_kstack_pages * PAGE_SIZE - + sizeof(struct pcb)); } #endif /* _SYS_PROC_H_ */ diff --git a/sys/arm64/include/stack.h b/sys/arm64/include/stack.h index 4c4c41bf9516..58fb2cf0e8a5 100644 --- a/sys/arm64/include/stack.h +++ b/sys/arm64/include/stack.h @@ -53,7 +53,8 @@ static __inline bool kstack_contains(struct thread *td, vm_offset_t va, size_t len) { return (va >= td->td_kstack && va + len >= va && - va + len <= td->td_kstack + td->td_kstack_pages * PAGE_SIZE); + va + len <= td->td_kstack + td->td_kstack_pages * PAGE_SIZE - + sizeof(struct pcb)); } #endif /* _SYS_PROC_H_ */ diff --git a/sys/powerpc/include/stack.h b/sys/powerpc/include/stack.h index 953afd6f0aa4..53ea0fc3bc54 100644 --- a/sys/powerpc/include/stack.h +++ b/sys/powerpc/include/stack.h @@ -48,7 +48,8 @@ static __inline bool kstack_contains(struct thread *td, vm_offset_t va, size_t len) { return (va >= td->td_kstack && va + len >= va && - va + len <= td->td_kstack + td->td_kstack_pages * PAGE_SIZE); + va + len <= td->td_kstack + td->td_kstack_pages * PAGE_SIZE - + sizeof(struct pcb)); } #endif /* _SYS_PROC_H_ */ diff --git a/sys/riscv/include/stack.h b/sys/riscv/include/stack.h index 566081c3ebd0..1f6907742b6a 100644 --- a/sys/riscv/include/stack.h +++ b/sys/riscv/include/stack.h @@ -63,7 +63,8 @@ static __inline bool kstack_contains(struct thread *td, vm_offset_t va, size_t len) { return (va >= td->td_kstack && va + len >= va && - va + len <= td->td_kstack + td->td_kstack_pages * PAGE_SIZE); + va + len <= td->td_kstack + td->td_kstack_pages * PAGE_SIZE - + sizeof(struct pcb)); } #endif /* _SYS_PROC_H_ */