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authorDenys Vlasenko <dvlasenk@redhat.com>2019-06-21 12:09:36 +0200
committerWaldemar Brodkorb <wbx@openadk.org>2019-06-21 12:09:36 +0200
commit4f506bb95ad4bc55e6174cef98803802a35b050e (patch)
treeb6e7adaf2b8c6b2d7cdb3dba03d87062e7e39e27 /libc/sysdeps/linux/riscv64/crt1.S
parentf93b43e4d1a02b72e8e7659f6be4cc28a0c6e194 (diff)
fix opendir, fpathconf and ttyname_r to use fstat64(), not fstat()
There is no opendir64(), thus even programs built for 64-bit off_t use opendir(). Before this change, internally opendir() uses fstat(), with the following breakage if some of struct stat fields are too narrow: $ strace ls -l execve("/busybox/ls", ["ls", "-l"], 0x7ffcdc43ede8 /* 16 vars */) = 0 ioctl(0, TCGETS, {B38400 opost isig icanon echo ...}) = 0 ioctl(1, TCGETS, {B38400 opost isig icanon echo ...}) = 0 getuid32() = 0 time([1551486393 /* 2019-03-02T00:26:33+0000 */]) = 1551486393 (2019-03-02T00:26:33+0000) ioctl(0, TIOCGWINSZ, {ws_row=38, ws_col=120, ws_xpixel=0, ws_ypixel=0}) = 0 ioctl(1, TCGETS, {B38400 opost isig icanon echo ...}) = 0 brk(NULL) = 0x9768000 brk(0x9769000) = 0x9769000 lstat64(".", 0xffa6e374) = 0 open(".", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, 0xffa6e378) = -1 EOVERFLOW (Value too large for defined data type) See https://bugs.busybox.net/show_bug.cgi?id=11651 Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
Diffstat (limited to 'libc/sysdeps/linux/riscv64/crt1.S')
0 files changed, 0 insertions, 0 deletions