Date: Thu, 18 May 2023 17:02:53 GMT From: Dmitry Chagin <dchagin@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 3d0addcd3519 - main - linux(4): Make ptrace_pokeusr machine dependent Message-ID: <202305181702.34IH2rv7018661@gitrepo.freebsd.org>
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The branch main has been updated by dchagin: URL: https://cgit.FreeBSD.org/src/commit/?id=3d0addcd35193461e927db6cfe4b6d9b579eed6b commit 3d0addcd35193461e927db6cfe4b6d9b579eed6b Author: Dmitry Chagin <dchagin@FreeBSD.org> AuthorDate: 2023-05-18 17:01:12 +0000 Commit: Dmitry Chagin <dchagin@FreeBSD.org> CommitDate: 2023-05-18 17:01:12 +0000 linux(4): Make ptrace_pokeusr machine dependent Differential Revision: https://reviews.freebsd.org/D40096 MFC after: 1 week --- sys/amd64/linux/linux.h | 2 ++ sys/amd64/linux/linux_machdep.c | 8 ++++++++ sys/amd64/linux32/linux.h | 2 ++ sys/amd64/linux32/linux32_machdep.c | 9 +++++++++ sys/arm64/linux/linux.h | 2 ++ sys/arm64/linux/linux_machdep.c | 9 +++++++++ sys/compat/linux/linux_ptrace.c | 8 -------- 7 files changed, 32 insertions(+), 8 deletions(-) diff --git a/sys/amd64/linux/linux.h b/sys/amd64/linux/linux.h index 698c560154ec..e1d5480100f9 100644 --- a/sys/amd64/linux/linux.h +++ b/sys/amd64/linux/linux.h @@ -279,6 +279,8 @@ int linux_ptrace_getregs_machdep(struct thread *td, pid_t pid, struct linux_pt_regset *l_regset); int linux_ptrace_peekuser(struct thread *td, pid_t pid, void *addr, void *data); +int linux_ptrace_pokeuser(struct thread *td, pid_t pid, + void *addr, void *data); #endif /* _KERNEL */ #endif /* !_AMD64_LINUX_H_ */ diff --git a/sys/amd64/linux/linux_machdep.c b/sys/amd64/linux/linux_machdep.c index 233d66a40899..ddb291169a03 100644 --- a/sys/amd64/linux/linux_machdep.c +++ b/sys/amd64/linux/linux_machdep.c @@ -397,4 +397,12 @@ linux_ptrace_peekuser(struct thread *td, pid_t pid, void *addr, void *data) return (copyout(&val, data, sizeof(val))); } +int +linux_ptrace_pokeuser(struct thread *td, pid_t pid, void *addr, void *data) +{ + + LINUX_RATELIMIT_MSG_OPT1("PTRACE_POKEUSER offset %ld " + "not implemented; returning EINVAL", (uintptr_t)addr); + return (EINVAL); +} #undef LINUX_URO diff --git a/sys/amd64/linux32/linux.h b/sys/amd64/linux32/linux.h index 23cba6aa2e2c..218f7923f59d 100644 --- a/sys/amd64/linux32/linux.h +++ b/sys/amd64/linux32/linux.h @@ -433,6 +433,8 @@ void bsd_to_linux_regset32(const struct reg32 *b_reg, struct linux_pt_regset32 *l_regset); int linux_ptrace_peekuser(struct thread *td, pid_t pid, void *addr, void *data); +int linux_ptrace_pokeuser(struct thread *td, pid_t pid, + void *addr, void *data); extern bool linux32_emulate_i386; #endif /* _KERNEL */ diff --git a/sys/amd64/linux32/linux32_machdep.c b/sys/amd64/linux32/linux32_machdep.c index afc60fb7e822..23d8f8767282 100644 --- a/sys/amd64/linux32/linux32_machdep.c +++ b/sys/amd64/linux32/linux32_machdep.c @@ -751,3 +751,12 @@ linux_ptrace_peekuser(struct thread *td, pid_t pid, void *addr, void *data) "returning EINVAL", (uintptr_t)addr); return (EINVAL); } + +int +linux_ptrace_pokeuser(struct thread *td, pid_t pid, void *addr, void *data) +{ + + LINUX_RATELIMIT_MSG_OPT1("PTRACE_POKEUSER offset %ld " + "not implemented; returning EINVAL", (uintptr_t)addr); + return (EINVAL); +} diff --git a/sys/arm64/linux/linux.h b/sys/arm64/linux/linux.h index 9ef50bce42a5..177579178705 100644 --- a/sys/arm64/linux/linux.h +++ b/sys/arm64/linux/linux.h @@ -206,6 +206,8 @@ int linux_ptrace_getregs_machdep(struct thread *td, pid_t pid, struct linux_pt_regset *l_regset); int linux_ptrace_peekuser(struct thread *td, pid_t pid, void *addr, void *data); +int linux_ptrace_pokeuser(struct thread *td, pid_t pid, + void *addr, void *data); #endif /* _KERNEL */ #endif /* _ARM64_LINUX_H_ */ diff --git a/sys/arm64/linux/linux_machdep.c b/sys/arm64/linux/linux_machdep.c index 2c0445bbed5d..8a7593ba94ba 100644 --- a/sys/arm64/linux/linux_machdep.c +++ b/sys/arm64/linux/linux_machdep.c @@ -160,3 +160,12 @@ linux_ptrace_peekuser(struct thread *td, pid_t pid, void *addr, void *data) "returning EINVAL", (uintptr_t)addr); return (EINVAL); } + +int +linux_ptrace_pokeuser(struct thread *td, pid_t pid, void *addr, void *data) +{ + + LINUX_RATELIMIT_MSG_OPT1("PTRACE_POKEUSER offset %ld " + "not implemented; returning EINVAL", (uintptr_t)addr); + return (EINVAL); +} diff --git a/sys/compat/linux/linux_ptrace.c b/sys/compat/linux/linux_ptrace.c index bc595ce106dc..fc93881bb32a 100644 --- a/sys/compat/linux/linux_ptrace.c +++ b/sys/compat/linux/linux_ptrace.c @@ -174,14 +174,6 @@ linux_ptrace_peek(struct thread *td, pid_t pid, void *addr, void *data) return (error); } -static int -linux_ptrace_pokeuser(struct thread *td, pid_t pid, void *addr, void *data) -{ - - linux_msg(td, "PTRACE_POKEUSER not implemented; returning EINVAL"); - return (EINVAL); -} - static int linux_ptrace_setoptions(struct thread *td, pid_t pid, l_ulong data) {
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