authorgravatar for alex@alexrp.comAlex Rønne Petersen <alex@alexrp.com> 2025-05-11 20:13:14+02:00
committergravatar for alex@alexrp.comAlex Rønne Petersen <alex@alexrp.com> 2025-05-12 16:24:59+02:00
logd14f7f7a09ef82ff42026165624c3968eed7e255
tree6714250e6cc7a804cb691ac8b5ed038cd41ea809
parent833d4c9ce4fb2588607a7c94d7919ad4e2edb641
signaturebadge-check Signed by SSH key SHA256:7B/LJ7bpR1eX8aCXSr4mtd5M45VMPKcx9zY8e95b5QM

libtsan: Backport llvm/llvm-project#120036.

https://github.com/llvm/llvm-project/pull/120036

4 files changed, 14 insertions(+), 8 deletions(-)

lib/libtsan/sanitizer_common/sanitizer_linux.cpp+4
...@@ -86,6 +86,10 @@...@@ -86,6 +86,10 @@
86# include <sys/sysmacros.h>86# include <sys/sysmacros.h>
87# endif87# endif
8888
89# if SANITIZER_LINUX && defined(__powerpc64__)
90# include <asm/ptrace.h>
91# endif
92
89# if SANITIZER_FREEBSD93# if SANITIZER_FREEBSD
90# include <machine/atomic.h>94# include <machine/atomic.h>
91# include <sys/exec.h>95# include <sys/exec.h>
lib/libtsan/sanitizer_common/sanitizer_linux_libcdep.cpp+7-6
...@@ -619,21 +619,22 @@ static void GetTls(uptr *addr, uptr *size) {...@@ -619,21 +619,22 @@ static void GetTls(uptr *addr, uptr *size) {
619 *addr = tp - RoundUpTo(*size, align);619 *addr = tp - RoundUpTo(*size, align);
620 *size = tp - *addr + ThreadDescriptorSize();620 *size = tp - *addr + ThreadDescriptorSize();
621# else621# else
622 if (SANITIZER_GLIBC)622# if SANITIZER_GLIBC
623 *size += 1664;623 *size += 1664;
624 else if (SANITIZER_FREEBSD)624# elif SANITIZER_FREEBSD
625 *size += 128; // RTLD_STATIC_TLS_EXTRA625 *size += 128; // RTLD_STATIC_TLS_EXTRA
626# if defined(__mips__) || defined(__powerpc64__) || SANITIZER_RISCV64626# if defined(__mips__) || defined(__powerpc64__) || SANITIZER_RISCV64
627 const uptr pre_tcb_size = TlsPreTcbSize();627 const uptr pre_tcb_size = TlsPreTcbSize();
628 *addr -= pre_tcb_size;628 *addr -= pre_tcb_size;
629 *size += pre_tcb_size;629 *size += pre_tcb_size;
630# else630# else
631 // arm and aarch64 reserve two words at TP, so this underestimates the range.631 // arm and aarch64 reserve two words at TP, so this underestimates the range.
632 // However, this is sufficient for the purpose of finding the pointers to632 // However, this is sufficient for the purpose of finding the pointers to
633 // thread-specific data keys.633 // thread-specific data keys.
634 const uptr tcb_size = ThreadDescriptorSize();634 const uptr tcb_size = ThreadDescriptorSize();
635 *addr -= tcb_size;635 *addr -= tcb_size;
636 *size += tcb_size;636 *size += tcb_size;
637# endif
637# endif638# endif
638# endif639# endif
639# elif SANITIZER_NETBSD640# elif SANITIZER_NETBSD
lib/libtsan/sanitizer_common/sanitizer_platform_limits_posix.cpp+1-1
...@@ -96,7 +96,7 @@...@@ -96,7 +96,7 @@
96# include <sys/ptrace.h>96# include <sys/ptrace.h>
97# if defined(__mips64) || defined(__aarch64__) || defined(__arm__) || \97# if defined(__mips64) || defined(__aarch64__) || defined(__arm__) || \
98 defined(__hexagon__) || defined(__loongarch__) || SANITIZER_RISCV64 || \98 defined(__hexagon__) || defined(__loongarch__) || SANITIZER_RISCV64 || \
99 defined(__sparc__)99 defined(__sparc__) || defined(__powerpc64__)
100# include <asm/ptrace.h>100# include <asm/ptrace.h>
101# ifdef __arm__101# ifdef __arm__
102typedef struct user_fpregs elf_fpregset_t;102typedef struct user_fpregs elf_fpregset_t;
lib/libtsan/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cpp+2-1
...@@ -31,7 +31,8 @@...@@ -31,7 +31,8 @@
31#include <sys/types.h> // for pid_t31#include <sys/types.h> // for pid_t
32#include <sys/uio.h> // for iovec32#include <sys/uio.h> // for iovec
33#include <elf.h> // for NT_PRSTATUS33#include <elf.h> // for NT_PRSTATUS
34#if (defined(__aarch64__) || SANITIZER_RISCV64 || SANITIZER_LOONGARCH64) && \34#if (defined(__aarch64__) || defined(__powerpc64__) || \
35 SANITIZER_RISCV64 || SANITIZER_LOONGARCH64) && \
35 !SANITIZER_ANDROID36 !SANITIZER_ANDROID
36// GLIBC 2.20+ sys/user does not include asm/ptrace.h37// GLIBC 2.20+ sys/user does not include asm/ptrace.h
37# include <asm/ptrace.h>38# include <asm/ptrace.h>