forked from rpms/glibc
601650f878
* Tue May 31 2022 Arjun Shankar <arjun@redhat.com> - 2.34-35
- Sync with upstream branch release/2.34/master,
commit ff450cdbdee0b8cb6b9d653d6d2fa892de29be31:
- Fix deadlock when pthread_atfork handler calls pthread_atfork or dlclose
- x86: Fallback {str|wcs}cmp RTM in the ncmp overflow case [BZ #29127]
- string.h: fix __fortified_attr_access macro call [BZ #29162]
- linux: Add a getauxval test [BZ #23293]
- rtld: Use generic argv adjustment in ld.so [BZ #23293]
- S390: Enable static PIE
* Thu May 19 2022 Florian Weimer <fweimer@redhat.com> - 2.34-34
- Sync with upstream branch release/2.34/master,
commit ede8d94d154157d269b18f3601440ac576c1f96a:
- csu: Implement and use _dl_early_allocate during static startup
- Linux: Introduce __brk_call for invoking the brk system call
- Linux: Implement a useful version of _startup_fatal
- ia64: Always define IA64_USE_NEW_STUB as a flag macro
- Linux: Define MMAP_CALL_INTERNAL
- i386: Honor I386_USE_SYSENTER for 6-argument Linux system calls
- i386: Remove OPTIMIZE_FOR_GCC_5 from Linux libc-do-syscall.S
- elf: Remove __libc_init_secure
- Linux: Consolidate auxiliary vector parsing (redo)
- Linux: Include <dl-auxv.h> in dl-sysdep.c only for SHARED
- Revert "Linux: Consolidate auxiliary vector parsing"
- Linux: Consolidate auxiliary vector parsing
- Linux: Assume that NEED_DL_SYSINFO_DSO is always defined
- Linux: Remove DL_FIND_ARG_COMPONENTS
- Linux: Remove HAVE_AUX_SECURE, HAVE_AUX_XID, HAVE_AUX_PAGESIZE
- elf: Merge dl-sysdep.c into the Linux version
- elf: Remove unused NEED_DL_BASE_ADDR and _dl_base_addr
- x86: Optimize {str|wcs}rchr-evex
- x86: Optimize {str|wcs}rchr-avx2
- x86: Optimize {str|wcs}rchr-sse2
- x86: Cleanup page cross code in memcmp-avx2-movbe.S
- x86: Remove memcmp-sse4.S
- x86: Small improvements for wcslen
- x86: Remove AVX str{n}casecmp
- x86: Add EVEX optimized str{n}casecmp
- x86: Add AVX2 optimized str{n}casecmp
- x86: Optimize str{n}casecmp TOLOWER logic in strcmp-sse42.S
- x86: Optimize str{n}casecmp TOLOWER logic in strcmp.S
- x86: Remove strspn-sse2.S and use the generic implementation
- x86: Remove strpbrk-sse2.S and use the generic implementation
- x87: Remove strcspn-sse2.S and use the generic implementation
- x86: Optimize strspn in strspn-c.c
- x86: Optimize strcspn and strpbrk in strcspn-c.c
- x86: Code cleanup in strchr-evex and comment justifying branch
- x86: Code cleanup in strchr-avx2 and comment justifying branch
- x86_64: Remove bcopy optimizations
- x86-64: Remove bzero weak alias in SS2 memset
- x86_64/multiarch: Sort sysdep_routines and put one entry per line
- x86: Improve L to support L(XXX_SYMBOL (YYY, ZZZ))
- fortify: Ensure that __glibc_fortify condition is a constant [BZ #29141]
* Thu May 12 2022 Florian Weimer <fweimer@redhat.com> - 2.34-33
- Sync with upstream branch release/2.34/master,
commit 91c2e6c3db44297bf4cb3a2e3c40236c5b6a0b23:
- dlfcn: Implement the RTLD_DI_PHDR request type for dlinfo
- manual: Document the dlinfo function
- x86: Fix fallback for wcsncmp_avx2 in strcmp-avx2.S [BZ #28896]
- x86: Fix bug in strncmp-evex and strncmp-avx2 [BZ #28895]
- x86: Set .text section in memset-vec-unaligned-erms
- x86-64: Optimize bzero
- x86: Remove SSSE3 instruction for broadcast in memset.S (SSE2 Only)
- x86: Improve vec generation in memset-vec-unaligned-erms.S
- x86-64: Fix strcmp-evex.S
- x86-64: Fix strcmp-avx2.S
- x86: Optimize strcmp-evex.S
- x86: Optimize strcmp-avx2.S
- manual: Clarify that abbreviations of long options are allowed
- Add HWCAP2_AFP, HWCAP2_RPRES from Linux 5.17 to AArch64 bits/hwcap.h
- aarch64: Add HWCAP2_ECV from Linux 5.16
- Add SOL_MPTCP, SOL_MCTP from Linux 5.16 to bits/socket.h
- Update kernel version to 5.17 in tst-mman-consts.py
- Update kernel version to 5.16 in tst-mman-consts.py
- Update syscall lists for Linux 5.17
- Add ARPHRD_CAN, ARPHRD_MCTP to net/if_arp.h
- Update kernel version to 5.15 in tst-mman-consts.py
- Add PF_MCTP, AF_MCTP from Linux 5.15 to bits/socket.h
Resolves: #2091541
121 lines
3.5 KiB
Diff
121 lines
3.5 KiB
Diff
commit 2139b1848e3e0a960ccc615fe1fd78b5d10b1411
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Author: Florian Weimer <fweimer@redhat.com>
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Date: Thu Feb 3 10:58:59 2022 +0100
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Linux: Remove HAVE_AUX_SECURE, HAVE_AUX_XID, HAVE_AUX_PAGESIZE
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They are always defined.
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Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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(cherry picked from commit b9c3d3382f6f50e9723002deb2dc8127de720fa6)
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diff --git a/sysdeps/unix/sysv/linux/dl-sysdep.c b/sysdeps/unix/sysv/linux/dl-sysdep.c
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index 3e41469bcc395179..aae983777ba15fae 100644
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--- a/sysdeps/unix/sysv/linux/dl-sysdep.c
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+++ b/sysdeps/unix/sysv/linux/dl-sysdep.c
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@@ -85,21 +85,6 @@ _dl_sysdep_start (void **start_argptr,
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ElfW(Word) phnum = 0;
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ElfW(Addr) user_entry;
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ElfW(auxv_t) *av;
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-#ifdef HAVE_AUX_SECURE
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-# define set_seen(tag) (tag) /* Evaluate for the side effects. */
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-# define set_seen_secure() ((void) 0)
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-#else
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- uid_t uid = 0;
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- gid_t gid = 0;
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- unsigned int seen = 0;
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-# define set_seen_secure() (seen = -1)
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-# ifdef HAVE_AUX_XID
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-# define set_seen(tag) (tag) /* Evaluate for the side effects. */
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-# else
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-# define M(type) (1 << (type))
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-# define set_seen(tag) seen |= M ((tag)->a_type)
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-# endif
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-#endif
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#ifdef NEED_DL_SYSINFO
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uintptr_t new_sysinfo = 0;
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#endif
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@@ -116,7 +101,7 @@ _dl_sysdep_start (void **start_argptr,
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"CONSTANT_MINSIGSTKSZ is constant");
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GLRO(dl_minsigstacksize) = CONSTANT_MINSIGSTKSZ;
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- for (av = GLRO(dl_auxv); av->a_type != AT_NULL; set_seen (av++))
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+ for (av = GLRO(dl_auxv); av->a_type != AT_NULL; av++)
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switch (av->a_type)
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{
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case AT_PHDR:
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@@ -131,20 +116,7 @@ _dl_sysdep_start (void **start_argptr,
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case AT_ENTRY:
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user_entry = av->a_un.a_val;
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break;
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-#ifndef HAVE_AUX_SECURE
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- case AT_UID:
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- case AT_EUID:
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- uid ^= av->a_un.a_val;
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- break;
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- case AT_GID:
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- case AT_EGID:
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- gid ^= av->a_un.a_val;
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- break;
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-#endif
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case AT_SECURE:
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-#ifndef HAVE_AUX_SECURE
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- seen = -1;
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-#endif
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__libc_enable_secure = av->a_un.a_val;
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break;
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case AT_PLATFORM:
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@@ -183,31 +155,6 @@ _dl_sysdep_start (void **start_argptr,
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dl_hwcap_check ();
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-#ifndef HAVE_AUX_SECURE
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- if (seen != -1)
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- {
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- /* Fill in the values we have not gotten from the kernel through the
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- auxiliary vector. */
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-# ifndef HAVE_AUX_XID
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-# define SEE(UID, var, uid) \
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- if ((seen & M (AT_##UID)) == 0) var ^= __get##uid ()
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- SEE (UID, uid, uid);
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- SEE (EUID, uid, euid);
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- SEE (GID, gid, gid);
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- SEE (EGID, gid, egid);
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-# endif
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-
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- /* If one of the two pairs of IDs does not match this is a setuid
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- or setgid run. */
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- __libc_enable_secure = uid | gid;
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- }
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-#endif
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-
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-#ifndef HAVE_AUX_PAGESIZE
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- if (GLRO(dl_pagesize) == 0)
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- GLRO(dl_pagesize) = __getpagesize ();
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-#endif
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-
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#ifdef NEED_DL_SYSINFO
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if (new_sysinfo != 0)
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{
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diff --git a/sysdeps/unix/sysv/linux/ldsodefs.h b/sysdeps/unix/sysv/linux/ldsodefs.h
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index 7e01f685b03b984d..0f152c592c2a9b04 100644
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--- a/sysdeps/unix/sysv/linux/ldsodefs.h
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+++ b/sysdeps/unix/sysv/linux/ldsodefs.h
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@@ -24,16 +24,4 @@
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/* Get the real definitions. */
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#include_next <ldsodefs.h>
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-/* We can assume that the kernel always provides the AT_UID, AT_EUID,
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- AT_GID, and AT_EGID values in the auxiliary vector from 2.4.0 or so on. */
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-#define HAVE_AUX_XID
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-
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-/* We can assume that the kernel always provides the AT_SECURE value
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- in the auxiliary vector from 2.5.74 or so on. */
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-#define HAVE_AUX_SECURE
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-
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-/* Starting with one of the 2.4.0 pre-releases the Linux kernel passes
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- up the page size information. */
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-#define HAVE_AUX_PAGESIZE
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-
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#endif /* ldsodefs.h */
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