diff options
Diffstat (limited to 'sysdeps/unix')
34 files changed, 353 insertions, 19 deletions
diff --git a/sysdeps/unix/pt-fcntl.c b/sysdeps/unix/pt-fcntl.c index 8113d52b86..3d64054dd0 100644 --- a/sysdeps/unix/pt-fcntl.c +++ b/sysdeps/unix/pt-fcntl.c @@ -37,7 +37,7 @@ fcntl_compat (int fd, int cmd, ...) va_start (ap, cmd); arg = va_arg (ap, void *); va_end (ap); - return __libc_fcntl (fd, cmd, arg); + return __libc_fcntl64 (fd, cmd, arg); } weak_alias (fcntl_compat, fcntl_alias) diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile index 215fd5d136..f71cc39c7e 100644 --- a/sysdeps/unix/sysv/linux/Makefile +++ b/sysdeps/unix/sysv/linux/Makefile @@ -45,7 +45,9 @@ sysdep_headers += sys/mount.h sys/acct.h sys/sysctl.h \ tests += tst-clone tst-clone2 tst-clone3 tst-fanotify tst-personality \ tst-quota tst-sync_file_range tst-sysconf-iov_max tst-ttyname \ test-errno-linux tst-memfd_create tst-mlock2 tst-pkey \ - tst-rlimit-infinity + tst-rlimit-infinity tst-ofdlocks +tests-internal += tst-ofdlocks-compat + # Generate the list of SYS_* macros for the system calls (__NR_* # macros). The file syscall-names.list contains all possible system diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist index 80cdb98e1c..884d0dfa95 100644 --- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist +++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist @@ -2131,3 +2131,4 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl64 F diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist index c761f61c43..28d54b9794 100644 --- a/sysdeps/unix/sysv/linux/alpha/libc.abilist +++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist @@ -2026,6 +2026,7 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/arm/libc.abilist b/sysdeps/unix/sysv/linux/arm/libc.abilist index 6aa58c3ca7..dfde3bd725 100644 --- a/sysdeps/unix/sysv/linux/arm/libc.abilist +++ b/sysdeps/unix/sysv/linux/arm/libc.abilist @@ -115,6 +115,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.4 _Exit F GLIBC_2.4 _IO_2_1_stderr_ D 0xa0 GLIBC_2.4 _IO_2_1_stdin_ D 0xa0 diff --git a/sysdeps/unix/sysv/linux/fcntl.c b/sysdeps/unix/sysv/linux/fcntl.c index e3992dc9d4..cbab7b401a 100644 --- a/sysdeps/unix/sysv/linux/fcntl.c +++ b/sysdeps/unix/sysv/linux/fcntl.c @@ -20,15 +20,12 @@ #include <stdarg.h> #include <errno.h> #include <sysdep-cancel.h> -#include <not-cancel.h> -#ifndef __NR_fcntl64 -# define __NR_fcntl64 __NR_fcntl -#endif +#ifndef __OFF_T_MATCHES_OFF64_T -#ifndef FCNTL_ADJUST_CMD -# define FCNTL_ADJUST_CMD(__cmd) __cmd -#endif +# ifndef FCNTL_ADJUST_CMD +# define FCNTL_ADJUST_CMD(__cmd) __cmd +# endif int __libc_fcntl (int fd, int cmd, ...) @@ -42,13 +39,84 @@ __libc_fcntl (int fd, int cmd, ...) cmd = FCNTL_ADJUST_CMD (cmd); - if (cmd == F_SETLKW || cmd == F_SETLKW64) - return SYSCALL_CANCEL (fcntl64, fd, cmd, (void *) arg); - - return __fcntl_nocancel_adjusted (fd, cmd, arg); + switch (cmd) + { + case F_SETLKW: + case F_SETLKW64: + return SYSCALL_CANCEL (fcntl64, fd, cmd, arg); + case F_OFD_SETLKW: + { + struct flock *flk = (struct flock *) arg; + struct flock64 flk64 = + { + .l_type = flk->l_type, + .l_whence = flk->l_whence, + .l_start = flk->l_start, + .l_len = flk->l_len, + .l_pid = flk->l_pid + }; + return SYSCALL_CANCEL (fcntl64, fd, cmd, &flk64); + } + case F_OFD_GETLK: + case F_OFD_SETLK: + { + struct flock *flk = (struct flock *) arg; + struct flock64 flk64 = + { + .l_type = flk->l_type, + .l_whence = flk->l_whence, + .l_start = flk->l_start, + .l_len = flk->l_len, + .l_pid = flk->l_pid + }; + int ret = INLINE_SYSCALL_CALL (fcntl64, fd, cmd, &flk64); + if (ret == -1) + return -1; + if ((off_t) flk64.l_start != flk64.l_start + || (off_t) flk64.l_len != flk64.l_len) + { + __set_errno (EOVERFLOW); + return -1; + } + flk->l_type = flk64.l_type; + flk->l_whence = flk64.l_whence; + flk->l_start = flk64.l_start; + flk->l_len = flk64.l_len; + flk->l_pid = flk64.l_pid; + return ret; + } + /* Since only F_SETLKW{64}/F_OLD_SETLK are cancellation entrypoints and + only OFD locks require LFS handling, all others flags are handled + unmodified by calling __NR_fcntl64. */ + default: + return __fcntl64_nocancel_adjusted (fd, cmd, arg); + } } libc_hidden_def (__libc_fcntl) weak_alias (__libc_fcntl, __fcntl) libc_hidden_weak (__fcntl) + +# include <shlib-compat.h> +# if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_28) +int +__old_libc_fcntl64 (int fd, int cmd, ...) +{ + va_list ap; + void *arg; + + va_start (ap, cmd); + arg = va_arg (ap, void *); + va_end (ap); + + /* Previous versions called __NR_fcntl64 for fcntl (which did not handle + OFD locks in LFS mode). */ + return __libc_fcntl64 (fd, cmd, arg); +} +compat_symbol (libc, __old_libc_fcntl64, fcntl, GLIBC_2_0); +versioned_symbol (libc, __libc_fcntl, fcntl, GLIBC_2_28); +# else weak_alias (__libc_fcntl, fcntl) +# endif + +#endif /* __OFF_T_MATCHES_OFF64_T */ diff --git a/sysdeps/unix/sysv/linux/fcntl64.c b/sysdeps/unix/sysv/linux/fcntl64.c new file mode 100644 index 0000000000..f21667ae43 --- /dev/null +++ b/sysdeps/unix/sysv/linux/fcntl64.c @@ -0,0 +1,63 @@ +/* Manipulate file descriptor. Linux LFS version. + Copyright (C) 2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#define fcntl __no_decl_fcntl +#define __fcntl __no_decl___fcntl +#include <fcntl.h> +#undef fcntl +#undef __fcntl +#include <stdarg.h> +#include <errno.h> +#include <sysdep-cancel.h> + +#ifndef __NR_fcntl64 +# define __NR_fcntl64 __NR_fcntl +#endif + +#ifndef FCNTL_ADJUST_CMD +# define FCNTL_ADJUST_CMD(__cmd) __cmd +#endif + +int +__libc_fcntl64 (int fd, int cmd, ...) +{ + va_list ap; + void *arg; + + va_start (ap, cmd); + arg = va_arg (ap, void *); + va_end (ap); + + cmd = FCNTL_ADJUST_CMD (cmd); + + if (cmd == F_SETLKW || cmd == F_SETLKW64 || cmd == F_OFD_SETLKW) + return SYSCALL_CANCEL (fcntl64, fd, cmd, arg); + + return __fcntl64_nocancel_adjusted (fd, cmd, arg); +} +libc_hidden_def (__libc_fcntl64) +weak_alias (__libc_fcntl64, __fcntl64) +libc_hidden_weak (__fcntl64) +weak_alias (__libc_fcntl64, fcntl64) + +#ifdef __OFF_T_MATCHES_OFF64_T +weak_alias (__libc_fcntl64, __libc_fcntl) +weak_alias (__libc_fcntl64, __fcntl) +weak_alias (__libc_fcntl64, __GI___fcntl) +weak_alias (__libc_fcntl64, fcntl) +#endif diff --git a/sysdeps/unix/sysv/linux/fcntl_nocancel.c b/sysdeps/unix/sysv/linux/fcntl_nocancel.c index f50e382c4a..dd336b5679 100644 --- a/sysdeps/unix/sysv/linux/fcntl_nocancel.c +++ b/sysdeps/unix/sysv/linux/fcntl_nocancel.c @@ -31,7 +31,7 @@ #endif int -__fcntl_nocancel (int fd, int cmd, ...) +__fcntl64_nocancel (int fd, int cmd, ...) { va_list ap; void *arg; @@ -42,12 +42,12 @@ __fcntl_nocancel (int fd, int cmd, ...) cmd = FCNTL_ADJUST_CMD (cmd); - return __fcntl_nocancel_adjusted (fd, cmd, arg); + return __fcntl64_nocancel_adjusted (fd, cmd, arg); } -hidden_def (__fcntl_nocancel) +hidden_def (__fcntl64_nocancel) int -__fcntl_nocancel_adjusted (int fd, int cmd, void *arg) +__fcntl64_nocancel_adjusted (int fd, int cmd, void *arg) { if (cmd == F_GETOWN) { diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist index d10695b7d3..06b00f730a 100644 --- a/sysdeps/unix/sysv/linux/hppa/libc.abilist +++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist @@ -1872,6 +1872,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist index 23092ab6d7..1c1cc00d40 100644 --- a/sysdeps/unix/sysv/linux/i386/libc.abilist +++ b/sysdeps/unix/sysv/linux/i386/libc.abilist @@ -2037,6 +2037,8 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/ia64/libc.abilist b/sysdeps/unix/sysv/linux/ia64/libc.abilist index 7bf259e86c..f6e17a005f 100644 --- a/sysdeps/unix/sysv/linux/ia64/libc.abilist +++ b/sysdeps/unix/sysv/linux/ia64/libc.abilist @@ -1907,6 +1907,7 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist index 4673bcd79b..ee054a618d 100644 --- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist @@ -116,6 +116,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.4 _Exit F GLIBC_2.4 _IO_2_1_stderr_ D 0x98 GLIBC_2.4 _IO_2_1_stdin_ D 0x98 diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist index 1f8ac40399..227a0581cb 100644 --- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist @@ -1981,6 +1981,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/microblaze/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/libc.abilist index 09277f5954..18781b3017 100644 --- a/sysdeps/unix/sysv/linux/microblaze/libc.abilist +++ b/sysdeps/unix/sysv/linux/microblaze/libc.abilist @@ -2122,3 +2122,5 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist index f562e20f23..2d86989cf2 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist @@ -1959,6 +1959,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist index ceb7388829..b8b113e1a5 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist @@ -1957,6 +1957,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist index 5765f487a2..6a3cd13e2d 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist @@ -1965,6 +1965,8 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist index a84bb45a38..596ec05379 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist @@ -1961,6 +1961,7 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist b/sysdeps/unix/sysv/linux/nios2/libc.abilist index e43295986c..8da18eed57 100644 --- a/sysdeps/unix/sysv/linux/nios2/libc.abilist +++ b/sysdeps/unix/sysv/linux/nios2/libc.abilist @@ -2163,3 +2163,5 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F diff --git a/sysdeps/unix/sysv/linux/not-cancel.h b/sysdeps/unix/sysv/linux/not-cancel.h index 0b5c955989..09de92dee9 100644 --- a/sysdeps/unix/sysv/linux/not-cancel.h +++ b/sysdeps/unix/sysv/linux/not-cancel.h @@ -76,7 +76,7 @@ __typeof (pause) __pause_nocancel; __typeof (__nanosleep) __nanosleep_nocancel; /* Uncancelable fcntl. */ -__typeof (__fcntl) __fcntl_nocancel; +__typeof (__fcntl) __fcntl64_nocancel; #if IS_IN (libc) || IS_IN (rtld) hidden_proto (__open_nocancel) @@ -89,7 +89,7 @@ hidden_proto (__close_nocancel) hidden_proto (__waitpid_nocancel) hidden_proto (__pause_nocancel) hidden_proto (__nanosleep_nocancel) -hidden_proto (__fcntl_nocancel) +hidden_proto (__fcntl64_nocancel) #endif #endif /* NOT_CANCEL_H */ diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist index a5f2b23068..555751eb12 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist @@ -1985,6 +1985,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist index e4cbe36279..80324e41aa 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist @@ -1989,6 +1989,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist index 9869feb56b..97b1d354af 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist @@ -2221,3 +2221,4 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl64 F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist index e526dc4627..15be314921 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist @@ -116,6 +116,7 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl64 F GLIBC_2.3 _Exit F GLIBC_2.3 _IO_2_1_stderr_ D 0xe0 GLIBC_2.3 _IO_2_1_stdin_ D 0xe0 diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist index e6319eef8d..436b992251 100644 --- a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist +++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist @@ -2093,3 +2093,4 @@ GLIBC_2.27 xdrstdio_create F GLIBC_2.27 xencrypt F GLIBC_2.27 xprt_register F GLIBC_2.27 xprt_unregister F +GLIBC_2.28 fcntl64 F diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist index 41cdda0c2e..f66715f0c9 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist @@ -1994,6 +1994,8 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist index 8a756cf287..bd6242861b 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist @@ -1900,6 +1900,7 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/sh/libc.abilist b/sysdeps/unix/sysv/linux/sh/libc.abilist index 999bddd1db..f2f070fbce 100644 --- a/sysdeps/unix/sysv/linux/sh/libc.abilist +++ b/sysdeps/unix/sysv/linux/sh/libc.abilist @@ -1876,6 +1876,8 @@ GLIBC_2.27 wcstof32x F GLIBC_2.27 wcstof32x_l F GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist index 7c4296fc10..265087f6a8 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist @@ -1988,6 +1988,8 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist index dafe9d74b7..16a69812cb 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist @@ -1930,6 +1930,7 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c b/sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c new file mode 100644 index 0000000000..d1d00eb3fb --- /dev/null +++ b/sysdeps/unix/sysv/linux/tst-ofdlocks-compat.c @@ -0,0 +1,84 @@ +/* Check non representable OFD locks regions in non-LFS mode for compat + mode (BZ #20251) + Copyright (C) 2018 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version 2 + of the License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include <unistd.h> +#include <fcntl.h> +#include <stdint.h> +#include <errno.h> + +#include <support/temp_file.h> +#include <support/check.h> + +#include <shlib-compat.h> +#if TEST_COMPAT (libc, GLIBC_2_0, GLIBC_2_28) +compat_symbol_reference (libc, fcntl, fcntl, GLIBC_2_0); + +static char *temp_filename; +static int temp_fd; + +static void +do_prepare (int argc, char **argv) +{ + temp_fd = create_temp_file ("tst-ofdlocks-compat.", &temp_filename); + TEST_VERIFY_EXIT (temp_fd != -1); +} + +#define PREPARE do_prepare + +static int +do_test (void) +{ + /* The compat fcntl version for architectures which support non-LFS + operations does not wrap the flock OFD argument, so the struct is passed + unmodified to kernel. It means no EOVERFLOW is returned, so operations + with LFS should not incur in failure. */ + + struct flock64 lck64 = { + .l_type = F_WRLCK, + .l_whence = SEEK_SET, + .l_start = (off64_t)INT32_MAX + 1024, + .l_len = 1024, + }; + TEST_VERIFY_EXIT (fcntl (temp_fd, F_OFD_SETLKW, &lck64) == 0); + + /* Open file description locks placed through the same open file description + (either by same file descriptor or a duplicated one created by fork, + dup, fcntl F_DUPFD, etc.) overwrites then old lock. To force a + conflicting lock combination, it creates a new file descriptor. */ + int fd = open64 (temp_filename, O_RDWR, 0666); + TEST_VERIFY_EXIT (fd != -1); + + struct flock64 lck = { + .l_type = F_WRLCK, + .l_whence = SEEK_SET, + .l_start = INT32_MAX - 1024, + .l_len = 4 * 1024, + }; + TEST_VERIFY (fcntl (fd, F_OFD_GETLK, &lck) == 0); + + return 0; +} +#else +static int +do_test (void) +{ + return 77; +} +#endif + +#include <support/test-driver.c> diff --git a/sysdeps/unix/sysv/linux/tst-ofdlocks.c b/sysdeps/unix/sysv/linux/tst-ofdlocks.c new file mode 100644 index 0000000000..bd345e9b64 --- /dev/null +++ b/sysdeps/unix/sysv/linux/tst-ofdlocks.c @@ -0,0 +1,76 @@ +/* Check non representable OFD locks regions in non-LFS mode (BZ #20251) + Copyright (C) 2018 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License + as published by the Free Software Foundation; either version 2 + of the License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, see <http://www.gnu.org/licenses/>. +*/ + +#include <unistd.h> +#include <fcntl.h> +#include <stdint.h> +#include <errno.h> + +#include <support/temp_file.h> +#include <support/check.h> + +static char *temp_filename; +static int temp_fd; + +static void +do_prepare (int argc, char **argv) +{ + temp_fd = create_temp_file ("tst-ofdlocks.", &temp_filename); + TEST_VERIFY_EXIT (temp_fd != -1); +} + +#define PREPARE do_prepare + +static int +do_test (void) +{ + /* It first allocates a open file description lock range which can not + be represented in a 32 bit struct flock. */ + struct flock64 lck64 = { + .l_type = F_WRLCK, + .l_whence = SEEK_SET, + .l_start = (off64_t)INT32_MAX + 1024, + .l_len = 1024, + }; + TEST_VERIFY_EXIT (fcntl64 (temp_fd, F_OFD_SETLKW, &lck64) == 0); + + /* Open file description locks placed through the same open file description + (either by same file descriptor or a duplicated one created by fork, + dup, fcntl F_DUPFD, etc.) overwrites then old lock. To force a + conflicting lock combination, it creates a new file descriptor. */ + int fd = open64 (temp_filename, O_RDWR, 0666); + TEST_VERIFY_EXIT (fd != -1); + + /* It tries then to allocate another open file descriptior with a valid + non-LFS bits struct flock but which will result in a conflicted region + which can not be represented in a non-LFS struct flock. */ + struct flock lck = { + .l_type = F_WRLCK, + .l_whence = SEEK_SET, + .l_start = INT32_MAX - 1024, + .l_len = 4 * 1024, + }; + int r = fcntl (fd, F_OFD_GETLK, &lck); + if (sizeof (off_t) != sizeof (off64_t)) + TEST_VERIFY (r == -1 && errno == EOVERFLOW); + else + TEST_VERIFY (r == 0); + + return 0; +} + +#include <support/test-driver.c> diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist index f72d494920..fa8c198d13 100644 --- a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist @@ -1888,6 +1888,7 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl64 F GLIBC_2.3 __ctype_b_loc F GLIBC_2.3 __ctype_tolower_loc F GLIBC_2.3 __ctype_toupper_loc F diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist index 96c9fa050e..2536971682 100644 --- a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist @@ -2139,3 +2139,4 @@ GLIBC_2.27 wcstof64 F GLIBC_2.27 wcstof64_l F GLIBC_2.27 wcstof64x F GLIBC_2.27 wcstof64x_l F +GLIBC_2.28 fcntl64 F |